.hide-partial { max-height: none; } .show-more { display: none; }

Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 5.755

Applied Filters:

Manufacturer = Multiple Values

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

L1 Cache Instruction Memory

L1 Cache Data Memory

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

8-bit Microcontrollers - MCU Ultra-Lo-pwr 8-bit MCU 16Kb

STM8L151C4U6TR
STMicroelectronics
1: Rp74.118
3.871In Stock

Mfr. Part No.
STM8L151C4U6TR

Mouser Part No
511-STM8L151C4U6TR

STMicroelectronics

8-bit Microcontrollers - MCU Ultra-Lo-pwr 8-bit MCU 16Kb

Learn More

Datasheet

3.871In Stock

Cut Tape

Rp74.118

Rp48.984

Rp44.764

Rp37.976

View

Reel

Rp28.987

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU

SMD/SMT

STM8

8 bit

16 MHz

16 kB

2 kB

12 bit

41 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Value Line ARM 32Bit 64kB Flash 48-Pin

STM32F100C8T7BTR
STMicroelectronics
1: Rp113.929
1.012In Stock

Mfr. Part No.
STM32F100C8T7BTR

Mouser Part No
511-STM32F100C8T7BTR

STMicroelectronics

ARM Microcontrollers - MCU Value Line ARM 32Bit 64kB Flash 48-Pin

Learn More

Datasheet

1.012In Stock

Cut Tape

Rp113.929

Rp85.125

Rp77.053

Rp70.449

View

Reel

Rp53.203

MouseReel Available

Min.: 1
Mult.: 1

: 2.400

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M3

32 bit

24 MHz

64 kB

8 kB

12 bit

37 I/O

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7

STM32F302C8T7
STMicroelectronics
1: Rp125.854
590In Stock

Mfr. Part No.
STM32F302C8T7

Mouser Part No
511-STM32F302C8T7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7

Learn More

Datasheet

590In Stock

Rp125.854

Rp96.500

Rp84.759

Rp81.089

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

72 MHz

64 kB

16 kB

12 bit

37 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32B ARM Cortex-M4 256KB Flsh 72MHz CPU

STM32F358VCT6
STMicroelectronics
1: Rp181.992
537In Stock

Mfr. Part No.
STM32F358VCT6

Mouser Part No
511-STM32F358VCT6

STMicroelectronics

ARM Microcontrollers - MCU 32B ARM Cortex-M4 256KB Flsh 72MHz CPU

Learn More

Datasheet

537In Stock

Rp181.992

Rp131.541

Rp120.717

Rp111.911

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

72 MHz

256 kB

48 kB

12 bit

86 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPU, USB, LCD

STM32L073RZH6
STMicroelectronics
1: Rp126.771
3.656In Stock

Mfr. Part No.
STM32L073RZH6

Mouser Part No
511-STM32L073RZH6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 192 Kbytes of Flash , 32 MHz CPU, USB, LCD

Learn More

Datasheet

3.656In Stock

Rp126.771

Rp93.198

Rp83.474

Rp76.319

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

32 MHz

192 kB

20 kB

12 bit

51 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU

STM32L151VCT6A
STMicroelectronics
1: Rp226.206
520In Stock
NRND

Mfr. Part No.
STM32L151VCT6A

Mouser Part No
511-STM32L151VCT6A

NRND

STMicroelectronics

ARM Microcontrollers - MCU STM32L15 Low Power M3 256kB 32MHz MCU

Learn More

Datasheet

520In Stock

Rp226.206

Rp175.938

Rp167.866

Rp145.667

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

32 MHz

256 kB

32 kB

12 bit

83 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

STM32L433CBY6TR
STMicroelectronics
1: Rp115.580
4.762In Stock

Mfr. Part No.
STM32L433CBY6TR

Mouser Part No
511-STM32L433CBY6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

Learn More

Datasheet

4.762In Stock

Cut Tape

Rp115.580

Rp79.438

Rp73.934

Rp65.128

View

Reel

Rp49.167

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ARM Microcontrollers - MCU

SMD/SMT

WLCSP-48

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Microprocessors - MPU MPU Arm Cortex-A7 800 MHz, Arm Cortex-M4 real-time

STM32MP151DAB1
STMicroelectronics
1: Rp183.093
266In Stock

Mfr. Part No.
STM32MP151DAB1

Mouser Part No
511-STM32MP151DAB1

STMicroelectronics

Microprocessors - MPU MPU Arm Cortex-A7 800 MHz, Arm Cortex-M4 real-time

Learn More

Datasheet

266In Stock

Rp183.093

Rp155.391

Rp148.052

Rp141.631

Rp139.063

Min.: 1
Mult.: 1

Microprocessors - MPU

SMD/SMT

LFBGA-354

ARM Cortex A7, ARM Cortex M4

32 bit

209 MHz, 800 MHz

32 kB

- 20 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32-bit Power Architecture MCU for Automotive Chassis and Safety Applications

SPC560P54L3BEABR
STMicroelectronics
1: Rp200.522
1.000In Stock

Mfr. Part No.
SPC560P54L3BEABR

Mouser Part No
511-SPC560P54L3BEABR

STMicroelectronics

ARM Microcontrollers - MCU 32-bit Power Architecture MCU for Automotive Chassis and Safety Applications

Datasheet

1.000In Stock

Cut Tape

Rp200.522

Rp155.024

Rp147.869

Rp128.422

View

Reel

Rp104.939

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

ARM Microcontrollers - MCU

LQFP-100

AEC-Q100

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

STM32F038G6U6
STMicroelectronics
1: Rp57.423
2.740In Stock

Mfr. Part No.
STM32F038G6U6

Mouser Part No
511-STM32F038G6U6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

Learn More

Datasheet

2.740In Stock

Rp57.423

Rp42.930

Rp37.059

Rp35.224

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-28

ARM Cortex M0

32 bit

48 MHz

32 kB

4 kB

12 bit

22 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN

STM32F103R4H6A
STMicroelectronics
1: Rp126.771
3.834In Stock

Mfr. Part No.
STM32F103R4H6A

Mouser Part No
511-STM32F103R4H6A

STMicroelectronics

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LINE USB CAN

Learn More

Datasheet

3.834In Stock

Rp126.771

Rp97.784

Rp90.813

Rp83.107

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

BGA-64

ARM Cortex M3

32 bit

72 MHz

16 kB

6 kB

12 bit

51 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power dual core MCU 64 MHz Cortex-M0+ 32MHz 256 Kbyte Bluetooth LE 5.0

STM32WB55VCQ6
STMicroelectronics
1: Rp153.739
2.435In Stock

Mfr. Part No.
STM32WB55VCQ6

Mouser Part No
511-STM32WB55VCQ6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power dual core MCU 64 MHz Cortex-M0+ 32MHz 256 Kbyte Bluetooth LE 5.0

Learn More

Datasheet

2.435In Stock

Rp153.739

Rp130.624

Rp121.084

Rp110.626

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-129

Tray

8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85

STM8L101G3U6
STMicroelectronics
1: Rp38.160
2.310In Stock

Mfr. Part No.
STM8L101G3U6

Mouser Part No
511-STM8L101G3U6

STMicroelectronics

8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85

Learn More

Datasheet

2.310In Stock

Rp38.160

Rp28.069

Rp24.033

Rp22.933

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFPN-28

STM8

8 bit

16 MHz

8 kB

1.5 kB

No ADC

26 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 32-Pin 16kB Flash

STM8L152K4U6
STMicroelectronics
1: Rp56.689
2.922In Stock

Mfr. Part No.
STM8L152K4U6

Mouser Part No
511-STM8L152K4U6

STMicroelectronics

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 32-Pin 16kB Flash

Learn More

Datasheet

2.922In Stock

Rp56.689

Rp42.379

Rp36.509

Rp34.674

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

STM8

8 bit

16 MHz

16 kB

2 kB

12 bit

29 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU SR5 E1 line of Stellar electrification MCUs, 32-bit Arm Cortex-M7 automotive MCU

SR5E1E570C30F01X
STMicroelectronics
1: Rp362.700
1.234In Stock
New Product

Mfr. Part No.
SR5E1E570C30F01X

Mouser Part No
511-SR5E1E570C30F01X

New Product

STMicroelectronics

ARM Microcontrollers - MCU SR5 E1 line of Stellar electrification MCUs, 32-bit Arm Cortex-M7 automotive MCU

Learn More

Datasheet

1.234In Stock

Cut Tape

Rp362.700

Rp288.216

Rp258.312

Rp249.506

View

Reel

Rp233.361

Min.: 1
Mult.: 1

: 800

ARM Microcontrollers - MCU

SMD/SMT

eTQFP-100

306.7 MHz

96 kB

256 kB

12 bit

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

STM32C051D8Y6TR
STMicroelectronics
1: Rp25.317
4.436In Stock
New Product

Mfr. Part No.
STM32C051D8Y6TR

Mouser Part No
511-STM32C051D8Y6TR

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

Learn More

Datasheet

4.436In Stock

Cut Tape

Rp25.317

Rp18.309

Rp15.521

Rp14.640

Reel

Rp14.640

MouseReel Available

Min.: 1
Mult.: 1
Max.: 250

: 5.000

ARM Microcontrollers - MCU

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

STM32C051F8P6
STMicroelectronics
1: Rp26.235
4.913In Stock
4.440Expected 28/09/2026
New Product

Mfr. Part No.
STM32C051F8P6

Mouser Part No
511-STM32C051F8P6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

Learn More

Datasheet

4.913In Stock

4.440Expected 28/09/2026

Rp26.235

Rp19.080

Rp16.108

Rp15.227

View

Min.: 1
Mult.: 1
Max.: 1.000

ARM Microcontrollers - MCU

Tube

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 32 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

STM32C051G6U6
STMicroelectronics
1: Rp26.969
2.443In Stock
New Product

Mfr. Part No.
STM32C051G6U6

Mouser Part No
511-STM32C051G6U6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 32 Kbytes Flash 12 Kbytes RAM 48 MHz CPU 2x USART

Learn More

Datasheet

2.443In Stock

Rp26.969

Rp19.630

Rp16.566

Rp15.649

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

STM32C051G8U7
STMicroelectronics
1: Rp29.721
2.624In Stock
2.940On Order
New Product

Mfr. Part No.
STM32C051G8U7

Mouser Part No
511-STM32C051G8U7

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 12 Kbytes RAM, 48 MHz CPU

Learn More

Datasheet

2.624In Stock

2.940On Order

Rp29.721

Rp21.832

Rp18.529

Rp17.447

Min.: 1
Mult.: 1
Max.: 250

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART

STM32C071GBU6N
STMicroelectronics
1: Rp32.656
2.816In Stock
11.760On Order
New Product

Mfr. Part No.
STM32C071GBU6N

Mouser Part No
511-STM32C071GBU6N

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART

Learn More

Datasheet

2.816In Stock

11.760On Order

Rp32.656

Rp22.933

Rp20.364

Rp18.529

Rp17.319

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

ARM Cortex M0

48 MHz

128 kB

24 kB

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 24 Kbytes RAM, 48 MHz CPU

STM32C071K8T3
STMicroelectronics
1: Rp35.958
3.282In Stock
1.500Expected 28/09/2026
New Product

Mfr. Part No.
STM32C071K8T3

Mouser Part No
511-STM32C071K8T3

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes Flash 24 Kbytes RAM, 48 MHz CPU

Learn More

Datasheet

3.282In Stock

1.500Expected 28/09/2026

Rp35.958

Rp26.418

Rp22.566

Rp21.465

Rp19.447

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

STM32C091CCU6
STMicroelectronics
1: Rp44.948
2.320In Stock
New Product

Mfr. Part No.
STM32C091CCU6

Mouser Part No
511-STM32C091CCU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

Learn More

Datasheet

2.320In Stock

Rp44.948

Rp33.390

Rp28.620

Rp27.152

Rp24.767

Min.: 1
Mult.: 1
Max.: 500

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

STM32C091KBT6
STMicroelectronics
1: Rp38.894
2.899In Stock
New Product

Mfr. Part No.
STM32C091KBT6

Mouser Part No
511-STM32C091KBT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

Learn More

Datasheet

2.899In Stock

Rp38.894

Rp28.620

Rp24.584

Rp23.299

Rp21.098

Min.: 1
Mult.: 1
Max.: 500

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

STM32C091KCU3
STMicroelectronics
1: Rp51.919
3.044In Stock
New Product

Mfr. Part No.
STM32C091KCU3

Mouser Part No
511-STM32C091KCU3

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

Datasheet

3.044In Stock

Rp51.919

Rp38.527

Rp33.206

Rp31.555

Rp28.253

Min.: 1
Mult.: 1
Max.: 750

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M0+

32 bit

48 MHz

256 kB

36 kB

12 bit

30 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

STM32C091RCT6
STMicroelectronics
1: Rp57.790
1.228In Stock
New Product

Mfr. Part No.
STM32C091RCT6

Mouser Part No
511-STM32C091RCT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 256 Kbytes Flash 36 Kbytes RAM 48 MHz CPU 4x USART

Learn More

Datasheet

1.228In Stock

Rp57.790

Rp43.113

Rp37.242

Rp32.839

Rp31.922

Min.: 1
Mult.: 1
Max.: 300

ARM Microcontrollers - MCU

Tray

Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-100
BGA-132
BGA-144
BGA-168
BGA-169
BGA-176
BGA-216
BGA-292
BGA-64
BGA-73
CSP-100
CSP-115
CSP-36
CSP-48
CSP-64
CSP-72
CSP-81
FPBGA-292
FPBGA-302
FPBGA-386

ARM1176JZ-F
ARM Cortex-A35
ARM Cortex A35, ARM Cortex M33
ARM Cortex A7
ARM Cortex A7, ARM Cortex M4
ARM Cortex M0
ARM Cortex-M0, ARM Cortex-M4
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M3
ARM Cortex M33
ARM Cortex M33, ARM Cortex A35
ARM Cortex M35P
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
ARM Cortex M4F
ARM Cortex M55
ARM Cortex M7
ARM Cortex-R52+
e200z0

8 MHz
15 MHz
16 MHz
16 MHz/32 MHz
20 MHz
24 MHz
32 MHz
32 MHz, 64 MHz
36 MHz
48 MHz
56 MHz
64 MHz
72 MHz
80 MHz
80 MHz, 120 MHz
80 MHz, 160 MHz
84 MHz
96 MHz
100 MHz
110 MHz

0 B
1 KB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 KB
128 kB
160 kB
176 kB
192 kB
256 kB
320 kB
384 kB
512 kB
640 kB
768 kB

384 B
512 B
1 kB
1.5 kB
2 kB
4 kB
6 kB
8 kB
10 kB
12 kB
16 KB
16 kB
18 kB
20 kB
22 kB
24 kB
32 KB
32 kB
36 kB
40 kB

2 x 10 bit
2 x 10 bit, 5 x 12 bit, 6 x 16 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit, 5 x 12 bit, 6 x 16 bit
3 x 12 bit
3 x 12 bit, 1 x 16 bit
3 x 16 bit
4 x 12 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
5 x 12 bit, 2 x 16 bit
6 bit/8 bit/10 bit/12 bit
8 bit to 16 bit
10 bit
10 bit, 12 bit
10 bit, 3 x 12 bit
10 bit, 4 x 12 bit

5 I/O
6 I/O
8 I/O
9 I/O
10 I/O
11 I/O
14 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O