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

1 MB Embedded Processors & Controllers

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

Types of Embedded Processors & Controllers

List Images

Results: 2.423

Applied Filters:

Program Memory Size = 1 MB

Manufacturer

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

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 #

ARM Microcontrollers - MCU S32K146 Arm Cortex-M4F, 112 MHz, 1 Mb Flash, CAN FD, FlexIO, CSEc security, LQFP144 - S32K MCUs for General-Purpose

FS32K146UAT0VLQT
NXP Semiconductors
1: Rp144.200
265In Stock

Mfr. Part No.
FS32K146UAT0VLQT

Mouser Part No
771-FS32K146UAT0VLQT

NXP Semiconductors

ARM Microcontrollers - MCU S32K146 Arm Cortex-M4F, 112 MHz, 1 Mb Flash, CAN FD, FlexIO, CSEc security, LQFP144 - S32K MCUs for General-Purpose

Learn More

Datasheet

265In Stock

Rp144.200

Rp144.016

Rp131.357

Rp123.652

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M4F

32 bit

112 MHz

1 MB

128 kB

2 x 12 bit

128 I/O

- 40 C

+ 105 C

AEC-Q100

Tray

ARM Microcontrollers - MCU K20_1MB 120Mhz

MK22FN1M0AVLH12
NXP Semiconductors
1: Rp272.071
660In Stock

Mfr. Part No.
MK22FN1M0AVLH12

Mouser Part No
841-MK22FN1M0AVLH12

NXP Semiconductors

ARM Microcontrollers - MCU K20_1MB 120Mhz

Learn More

Datasheet

660In Stock

Rp272.071

Rp220.519

Rp208.044

Rp191.349

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

120 MHz

1 MB

128 kB

16 bit

40 I/O

- 40 C

+ 105 C

Tray

32-bit Microcontrollers - MCU 32B 1M FLASH 128KRAM

SPC5643LFF2MLQ1
NXP Semiconductors
1: Rp461.035
375In Stock

Mfr. Part No.
SPC5643LFF2MLQ1

Mouser Part No
841-SPC5643LFF2MLQ1

NXP Semiconductors

32-bit Microcontrollers - MCU 32B 1M FLASH 128KRAM

Datasheet

375In Stock

Rp461.035

Rp456.999

Rp418.289

Rp418.105

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-144

e200z4d

32 bit

120 MHz

1 MB

128 kB

12 bit

96 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

32-bit Microcontrollers - MCU 32BIT MCU RH850/F1KM-PREM 48QFP 1MB

R7F7016933AFP-C#AA1
Renesas Electronics
1: Rp257.027
1.104In Stock

Mfr. Part No.
R7F7016933AFP-C#AA1

Mouser Part No
968-F7016933AFPCAA1

Renesas Electronics

32-bit Microcontrollers - MCU 32BIT MCU RH850/F1KM-PREM 48QFP 1MB

Learn More

Datasheet

1.104In Stock

Rp257.027

Rp202.173

Rp188.597

Rp173.737

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-48

G3KH

32 bit

240 MHz

1 MB

128 kB

10 bit, 12 bit

33 I/O

- 40 C

+ 105 C

AEC-Q100

Tray

ARM Microcontrollers - MCU SYNERGY MCU PLATFORM S3A1 1MB 100QFP

R7FS3A17C3A01CFP#AA0
Renesas Electronics
1: Rp239.048
264In Stock

Mfr. Part No.
R7FS3A17C3A01CFP#AA0

Mouser Part No
968-S3A17C3A01CFPAA0

Renesas Electronics

ARM Microcontrollers - MCU SYNERGY MCU PLATFORM S3A1 1MB 100QFP

Learn More

Datasheet

264In Stock

Rp239.048

Rp188.047

Rp162.362

Rp162.179

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

48 MHz

1 MB

8 kB

12 bit, 14 bit

84 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity

STM32F205VGT7
STMicroelectronics
1: Rp303.443
532In Stock

Mfr. Part No.
STM32F205VGT7

Mouser Part No
511-STM32F205VGT7

STMicroelectronics

ARM Microcontrollers - MCU 32-Bit ARM Cortex 1024kb Connectivity

Learn More

Datasheet

532In Stock

Rp303.443

Rp225.289

Rp208.411

Rp200.889

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

120 MHz

1 MB

132 kB

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 1 Mbyte of Flash

STM32F417VGT7
STMicroelectronics
1: Rp258.679
633In Stock

Mfr. Part No.
STM32F417VGT7

Mouser Part No
511-STM32F417VGT7

STMicroelectronics

ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 1 Mbyte of Flash

Learn More

Datasheet

633In Stock

Rp258.679

Rp204.008

Rp174.837

Rp170.434

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

168 MHz

1 MB

192 kB

3 x 12 bit

82 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 1 Mbyte of Flash 216 MHz CPU, Art

STM32F767IGK6
STMicroelectronics
1: Rp416.638
1.380In Stock

Mfr. Part No.
STM32F767IGK6

Mouser Part No
511-STM32F767IGK6

STMicroelectronics

ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 1 Mbyte of Flash 216 MHz CPU, Art

Learn More

Datasheet

1.380In Stock

Rp416.638

Rp334.998

Rp317.753

Rp286.748

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-176

ARM Cortex M7

32 bit

216 MHz

1 MB

532 kB

3 x 12 bit

168 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 1MBytes of Flash 692KB RAM, 480

STM32H742VGT6
STMicroelectronics
1: Rp220.152
350In Stock

Mfr. Part No.
STM32H742VGT6

Mouser Part No
511-STM32H742VGT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 1MBytes of Flash 692KB RAM, 480

Learn More

Datasheet

350In Stock

Rp220.152

Rp179.607

Rp169.334

Rp157.409

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M7

32 bit

480 MHz

1 MB

688 kB

3 x 16 bit

82 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 1MByte of Flash 1MB RAM, 480 MH

STM32H743ZGT6
STMicroelectronics
1: Rp273.539
861In Stock

Mfr. Part No.
STM32H743ZGT6

Mouser Part No
511-STM32H743ZGT6

STMicroelectronics

ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 1MByte of Flash 1MB RAM, 480 MH

Learn More

Datasheet

861In Stock

Rp273.539

Rp215.932

Rp197.770

Rp185.478

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M7

32 bit

480 MHz

1 MB

3 x 16 bit

114 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM

STM32L471VGT6
STMicroelectronics
1: Rp164.197
1.506In Stock

Mfr. Part No.
STM32L471VGT6

Mouser Part No
511-STM32L471VGT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash , DFSDM

Learn More

Datasheet

1.506In Stock

Rp164.197

Rp131.908

Rp121.084

Rp112.461

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

1 MB

128 kB

3 x 12 bit

82 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES-

STM32L486VGT6TR
STMicroelectronics
1: Rp200.155
1.872In Stock

Mfr. Part No.
STM32L486VGT6TR

Mouser Part No
511-STM32L486VGT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash LCD, USB OTG, AES-

Learn More

Datasheet

1.872In Stock

Cut Tape

Rp200.155

Rp156.491

Rp145.484

Rp133.559

View

Reel

Rp117.598

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

1 MB

128 kB

3 x 12 bit

82 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD

STM32L496AGI6
STMicroelectronics
1: Rp230.059
4.153In Stock

Mfr. Part No.
STM32L496AGI6

Mouser Part No
511-STM32L496AGI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 1 Mbyte of Flash USB OTG, LCD, DFSD

Learn More

Datasheet

4.153In Stock

Rp230.059

Rp180.708

Rp168.233

Rp154.657

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-169

ARM Cortex M4

32 bit

80 MHz

1 MB

320 kB

3 x 12 bit

136 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 1024 kbytes of Flash USB OTG, DFSD

STM32L4P5ZGT6P
STMicroelectronics
1: Rp237.581
848In Stock

Mfr. Part No.
STM32L4P5ZGT6P

Mouser Part No
511-STM32L4P5ZGT6P

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 120 MHz 1024 kbytes of Flash USB OTG, DFSD

Learn More

Datasheet

848In Stock

Rp237.581

Rp185.111

Rp172.085

Rp161.078

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M4

32 bit

120 MHz

1 MB

320 kB

2 x 12 bit

115 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP(105),MRL B

ATSAM4SD16BB-MN
Microchip Technology
1: Rp154.657
246In Stock

Mfr. Part No.
ATSAM4SD16BB-MN

Mouser Part No
556-ATSAM4SD16BB-MN

Microchip Technology

ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP(105),MRL B

Learn More

Datasheet

246In Stock

Rp154.657

Rp140.714

Rp127.688

Rp127.505

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-64

ARM Cortex M4

32 bit

120 MHz

1 MB

160 kB

12 bit

47 I/O

- 40 C

+ 105 C

Tray

RF Microcontrollers - MCU Single-Chip Wireless MCU A 595-CC3220SF1 A 595-CC3220SF12ARGKR

CC3220SF12ARGKT
Texas Instruments
1: Rp280.510
259In Stock

Mfr. Part No.
CC3220SF12ARGKT

Mouser Part No
595-CC3220SF12ARGKT

Texas Instruments

RF Microcontrollers - MCU Single-Chip Wireless MCU A 595-CC3220SF1 A 595-CC3220SF12ARGKR

Learn More

Datasheet

259In Stock

Cut Tape

Rp280.510

Rp229.325

Rp213.364

Rp195.935

Reel

Rp193.917

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

RF Microcontrollers - MCU

SMD/SMT

VQFN-64

ARM Cortex M4

32 bit

80 MHz

1 MB

256 kB

12 bit

27 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU K20_1MB 120Mhz

MK22FX512AVLQ12
NXP Semiconductors
1: Rp290.234
258In Stock

Mfr. Part No.
MK22FX512AVLQ12

Mouser Part No
841-MK22FX512AVLQ12

NXP Semiconductors

ARM Microcontrollers - MCU K20_1MB 120Mhz

Learn More

Datasheet

258In Stock

Rp290.234

Rp229.325

Rp202.907

Rp187.313

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M4

32 bit

120 MHz

1 MB

128 kB

16 bit

100 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU K60-1M

MK24FN1M0VLL12
NXP Semiconductors
1: Rp336.833
798In Stock

Mfr. Part No.
MK24FN1M0VLL12

Mouser Part No
841-MK24FN1M0VLL12

NXP Semiconductors

ARM Microcontrollers - MCU K60-1M

Learn More

Datasheet

798In Stock

Rp336.833

Rp251.157

Rp232.627

Rp224.922

Rp217.584

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

120 MHz

1 MB

256 kB

16 bit

66 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU K60-1M

MK24FN1M0VLQ12
NXP Semiconductors
1: Rp338.300
279In Stock

Mfr. Part No.
MK24FN1M0VLQ12

Mouser Part No
841-MK24FN1M0VLQ12

NXP Semiconductors

ARM Microcontrollers - MCU K60-1M

Learn More

Datasheet

279In Stock

Rp338.300

Rp247.304

Rp233.361

Rp225.656

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M4

32 bit

120 MHz

1 MB

256 kB

16 bit

100 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Kinetis KV56: 220MHz Cortex-M7F Real-Time Control MCU, 1MB Flash, 256KB SRAM, 100-LQFP

MKV56F1M0VLL24
NXP Semiconductors
1: Rp335.915
400In Stock

Mfr. Part No.
MKV56F1M0VLL24

Mouser Part No
841-MKV56F1M0VLL24

NXP Semiconductors

ARM Microcontrollers - MCU Kinetis KV56: 220MHz Cortex-M7F Real-Time Control MCU, 1MB Flash, 256KB SRAM, 100-LQFP

Learn More

Datasheet

400In Stock

Rp335.915

Rp270.604

Rp256.110

Rp240.883

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M7

32 bit

240 MHz

1 MB

256 kB

4 x 12 bit, 16 bit

74 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Kinetis KV56: 220MHz Cortex-M7F Real-Time Control MCU, 1MB Flash, 256KB SRAM, 144-LQFP

MKV56F1M0VLQ24
NXP Semiconductors
1: Rp250.239
475In Stock

Mfr. Part No.
MKV56F1M0VLQ24

Mouser Part No
841-MKV56F1M0VLQ24

NXP Semiconductors

ARM Microcontrollers - MCU Kinetis KV56: 220MHz Cortex-M7F Real-Time Control MCU, 1MB Flash, 256KB SRAM, 144-LQFP

Learn More

Datasheet

475In Stock

Rp250.239

Rp250.056

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M7

32 bit

240 MHz

1 MB

256 kB

4 x 12 bit, 16 bit

111 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU CM4, TQFP64, 1MFlash, Tray, USB, CAN, Extended Flash Performance

ATSAME51J20A-AU-EFP
Microchip Technology
1: Rp130.624
132In Stock

Mfr. Part No.
ATSAME51J20A-AU-EFP

Mouser Part No
556-AME51J20A-AU-EFP

Microchip Technology

ARM Microcontrollers - MCU CM4, TQFP64, 1MFlash, Tray, USB, CAN, Extended Flash Performance

Learn More

Datasheet

132In Stock

Rp130.624

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

TQFP-64

ARM Cortex M4F

32 bit

120 MHz

1 MB

256 kB

12 bit

51 I/O

- 40 C

+ 85 C

AEC-Q100

Tray

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC, Motor Control

PIC32MK1024MCF064-E/MR
Microchip Technology
1: Rp199.421
45In Stock

Mfr. Part No.
PIC32MK1024MCF064-E/MR

Mouser Part No
579-2MK1024MCF064EMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC, Motor Control

Learn More

Datasheet

45In Stock

Rp199.421

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

80 MHz

1 MB

256 kB

12 bit

49 I/O

- 40 C

+ 125 C

Tube

ARM Microcontrollers - MCU LQFP, Green, IND TEMP, CRYPTO, MRLB, T&R

ATSAM4C16CB-AUR
Microchip Technology
1: Rp153.006
220In Stock

Mfr. Part No.
ATSAM4C16CB-AUR

Mouser Part No
556-ATSAM4C16CB-AUR

Microchip Technology

ARM Microcontrollers - MCU LQFP, Green, IND TEMP, CRYPTO, MRLB, T&R

Learn More

Datasheet

220In Stock

Cut Tape

Rp153.006

Rp134.843

Reel

Rp134.843

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

120 MHz

1 MB

128 kB

10 bit

74 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU CM7,1024kB Flash,384kB SRAM,BGA144

ATSAME70Q20A-CN
Microchip Technology
1: Rp307.296
221In Stock

Mfr. Part No.
ATSAME70Q20A-CN

Mouser Part No
556-ATSAME70Q20A-CN

Microchip Technology

ARM Microcontrollers - MCU CM7,1024kB Flash,384kB SRAM,BGA144

Learn More

Datasheet

221In Stock

Rp307.296

Rp279.410

Rp252.991

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LFBGA-144

ARM Cortex M7

32 bit

300 MHz

1 MB

384 kB

12 bit

114 I/O

- 40 C

+ 105 C

Tray

1 MB Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

AQFN-73
BGA-100
BGA-112
BGA-116
BGA-120
BGA-121
BGA-124
BGA-125
BGA-136
BGA-144
BGA-169
BGA-176
BGA-208
BGA-216
BGA-224
BGA-256
BGA-64
CSP-100
CSP-115
CSP-72

ARM7TDMI
ARM Cortex M0, ARM Cortex M4
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M0+, ARM Cortex M4F
ARM Cortex M23
ARM Cortex M3
ARM Cortex M33
ARM Cortex-M33
Arm Cortex-M33
ARM Cortex M4
ARM Cortex M4, ARM Cortex M4F
ARM Cortex M4, ARM Cortex M7
ARM Cortex M4F
ARM Cortex-M4F
ARM Cortex M7
ARM Cortex M85
ARM Cortex M85,ARM Cortex M33
ARM Cortex M85, ARM Cortex M33
ARM Cortex R4
ARM Cortex R4F

12 MHz
20 MHz
32 MHz
32 MHz, 64 MHz
36 MHz
40 MHz
48 MHz
50 MHz
50 MHz, 150 MHz
54 MHz
60 MHz
64 MHz
66 MHz
72 MHz
76.8 MHz
78 MHz
80 MHz
96 MHz
100 MHz
100 MHz, 150 MHz

4 kB
8 kB
16 kB
32 kB
48 kB
50 kB
56 kB
63 kB
64 kB
64 kB, 64 kB
80 kB
96 kB
128 kB
132 kB
133 kB
136 kB
152 kB
154 kB
160 kB
162 kB

2 x 10 bit
2 x 12 bit
2 x 12 bit/16 bit
2 x 16 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit
3 x 12 bit
3 x 16 bit
4 x 10 bit
4 x 12 bit
4 x 12 bit, 16 bit
4 x 12 bit/16 bit
4 x 16 bit
5 x 12 bit
8 bit, 10 bit
10 bit
10 bit, 12 bit
10 bit, 13 bit
10 bit, 3 x 12 bit
12 bit

15 I/O
17 I/O
17 I/O
19 I/O
20 I/O
22 I/O
23 I/O
25 I/O
26 I/O
27 I/O
28 I/O
29 I/O
30 I/O
31 I/O
32 I/O
33 I/O
35 I/O
36 I/O
37 I/O
38 I/O