AT87F51RC-24PI

AT87F51RC-24PI Datasheet

The AT87F51RC is a low-power, high-performance CMOS 8-bit microcomputer with 32K bytes of QuickFlash one-time programmable OTP read only memory and 512 bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. The on-chip QuickFlash allows the program memory to be

Part	Datasheet
AT87F51RC-24PI	AT87F51RC-24PI (pdf)

Related Parts	Information
AT87F51RC-24JI	AT87F51RC-24JI
AT87F51RC-24PC	AT87F51RC-24PC
AT87F51RC-24JC	AT87F51RC-24JC
AT87F51RC-24AI	AT87F51RC-24AI
AT87F51RC-24AC	AT87F51RC-24AC

PDF Datasheet Preview
• Compatible with MCS-51 Products • 32K Bytes of One-time Programmable QuickFlash Memory • 4V to 6V Operating Range • Fully Static Operation 0 Hz to 24 MHz • Three-level Program Memory Lock • 512 x 8-bit Internal RAM • 32 Programmable I/O Lines • Three 16-bit Timer/Counters • Eight Interrupt Sources • Programmable Serial Channel • Low-power Idle and Power-down Modes • Interrupt Recovery from Power-down • Hardware Watchdog Timer • Dual Data Pointer • Power-off Flag The AT87F51RC is a low-power, high-performance CMOS 8-bit microcomputer with 32K bytes of QuickFlash one-time programmable OTP read only memory and 512 bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. The on-chip QuickFlash allows the program memory to be Pin Configurations PDIP TQFP 44 P1.4 43 P1.3 42 P1.2 41 P1.1 T2 EX 40 P1.0 T2 39 NC 38 VCC 37 P0.0 AD0 36 P0.1 AD1 35 P0.2 AD2 34 P0.3 AD3 P1.5 1 P1.6 2 P1.7 3 RST 4 RXD P3.0 5 NC 6 TXD P3.1 7 INT0 P3.2 8 INT1 P3.3 9 T0 P3.4 10 T1 P3.5 11 33 P0.4 AD4 32 P0.5 AD5 31 P0.6 AD6 30 P0.7 AD7 29 EA/VPP 28 NC 27 ALE/PROG 26 PSEN 25 P2.7 A15 24 P2.6 A14 23 P2.5 A13 T2 P1.0 1 T2EX P1.1 2 P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RST 9 RXD P3.0 10 TXD P3.1 11 INT0 P3.2 12 INT1 P3.3 13 T0 P3.4 14 T1 P3.5 15 WR P3.6 16 RD P3.7 17 XTAL2 18 XTAL1 19 GND 20 40 VCC 39 P0.0 AD0 38 P0.1 AD1 37 P0.2 AD2 36 P0.3 AD3 35 P0.4 AD4 34 P0.5 AD5 33 P0.6 AD6 32 P0.7 AD7 31 EA/VPP 30 ALE/PROG 29 PSEN 28 P2.7 A15 27 P2.6 A14 26 P2.5 A13 25 P2.4 A12 24 P2.3 A11 23 P2.2 A10 22 P2.1 A9 21 P2.0 A8 PLCC 8-bit Microcontroller with 32K Bytes QuickFlash AT87F51RC 6 P1.4 5 P1.3 4 P1.2 3 P1.1 T2 EX 2 P1.0 T2 1 NC 44 VCC 43 P0.0 AD0 42 P0.1 AD1 41 P0.2 AD2 40 P0.3 AD3 WR P3.6 12 RD P3.7 13 XTAL2 14 XTAL1 15 GND 16 GND 17 A8 P2.0 18 A9 P2.1 19 A10 P2.2 20 A11 P2.3 21 A12 P2.4 22 P1.5 7 P1.6 8 P1.7 9 RST 10 RXD P3.0 11 NC 12 TXD P3.1 13 INT0 P3.2 14 INT1 P3.3 15 T0 P3.4 16 T1 P3.5 17 39 P0.4 AD4 38 P0.5 AD5 37 P0.6 AD6 36 P0.7 AD7 35 EA/VPP 34 NC 33 ALE/PROG 32 PSEN 31 P2.7 A15 30 P2.6 A14 29 P2.5 A13 WR P3.6 18 RD P3.7 19 XTAL2 20 XTAL1 21 GND 22 NC 23 A8 P2.0 24 A9 P2.1 25 A10 P2.2 26 A11 P2.3 27 A12 P2.4 28 user programmed by a conventional nonvolatile memory programmer. A total of 512 bytes of internal RAM are available in the AT87F51RC. The 256-byte expanded internal RAM is accessed via MOVX instructions after clearing bit 1 in the SFR located at address 8EH. The other 256-byte RAM segment is accessed the same way as the Atmel AT89-series and other 8052-compatible products. By combining a versatile 8-bit CPU with QuickFlash on a monolithic chip, the Atmel AT87F51RC is a powerful microcomputer which provides a highly-flexible and costeffective solution to many embedded control applications. Block Diagram P0.0 - P0.7 P2.0 - P2.7 VCC GND PORT 0 DRIVERS PORT 2 DRIVERS RAM ADDR. REGISTER PORT 0 LATCH PORT 2 LATCH QUICK FLASH B REGISTER Ordering Information Speed MHz Power Supply 5V ± 20% 5V ± 20% 5V ± 20% 5V ± 20% Ordering Code AT87F51RC-12AC AT87F51RC-12JC AT87F51RC-12PC AT87F51RC-12AI AT87F51RC-12JI AT87F51RC-12PI AT87F51RC-16AC AT87F51RC-16JC AT87F51RC-16PC AT87F51RC-16AI AT87F51RC-16JI AT87F51RC-16PI AT87F51RC-20AC AT87F51RC-20JC AT87F51RC-20PC AT87F51RC-20AI AT87F51RC-20JI AT87F51RC-20PI AT87F51RC-24AC AT87F51RC-24JC AT87F51RC-24PC AT87F51RC-24AI AT87F51RC-24JI AT87F51RC-24PI AT87F51RC Package 44A 44J 40P6 44A 44J 40P6 44A 44J 40P6 44A 44J 40P6 44A 44J 40P6 44A 44J 44Q 44A 44J 40P6 44A 44J 40P6 Operation Range Commercial 0° C to 70° C Industrial -40° C to 85° C Commercial 0° C to 70° C Industrial -40° C to 85° C Commercial 0° C to 70° C Industrial -40° C to 85° C Commercial 0° C to 70° C Industrial -40° C to 85° C 44A 44J 40P6 Package Type 44-lead, Thin Plastic Gull Wing Quad Flatpack TQFP 44-lead, Plastic J-Leaded Chip Carrier PLCC 40-lead, Wide, Plastic Dual Inline Package PDIP Packaging Information 44A, 44-lead, Thin mm Plastic Gull Wing Quad Flat Package TQFP Dimensions in Millimeters and Inches * 44J, 44-lead, Plastic J-Leaded Chip Carrier PLCC Dimensions in Inches and Millimeters PIN 1 ID BSC X 45° PIN NO. 1 IDENTIFY X 30° - 45° .650 16.5 SQ .685 17.4 SQ REF SQ X 45° MAX 3X *Controlling dimension millimeters 40P6, 40-lead, Wide, Plastic Dual Inline Package PDIP Dimensions in Inches and Millimeters JEDEC STANDARD MS-011 AC SEATING PLANE

PDF Datasheet Preview

• Compatible with MCS-51 Products
• 32K Bytes of One-time Programmable QuickFlash Memory
• 4V to 6V Operating Range
• Fully Static Operation 0 Hz to 24 MHz
• Three-level Program Memory Lock
• 512 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Programmable Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down
• Hardware Watchdog Timer
• Dual Data Pointer
• Power-off Flag

The AT87F51RC is a low-power, high-performance CMOS 8-bit microcomputer with 32K bytes of QuickFlash one-time programmable OTP read only memory and 512 bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. The on-chip QuickFlash allows the program memory to be

Pin Configurations

PDIP

TQFP
44 P1.4 43 P1.3 42 P1.2 41 P1.1 T2 EX 40 P1.0 T2 39 NC 38 VCC 37 P0.0 AD0 36 P0.1 AD1 35 P0.2 AD2 34 P0.3 AD3

P1.5 1 P1.6 2 P1.7 3 RST 4 RXD P3.0 5

NC 6 TXD P3.1 7 INT0 P3.2 8 INT1 P3.3 9

T0 P3.4 10 T1 P3.5 11
33 P0.4 AD4 32 P0.5 AD5 31 P0.6 AD6 30 P0.7 AD7 29 EA/VPP 28 NC 27 ALE/PROG 26 PSEN 25 P2.7 A15 24 P2.6 A14 23 P2.5 A13

T2 P1.0 1 T2EX P1.1 2

P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RST 9 RXD P3.0 10 TXD P3.1 11 INT0 P3.2 12 INT1 P3.3 13 T0 P3.4 14 T1 P3.5 15 WR P3.6 16 RD P3.7 17 XTAL2 18 XTAL1 19 GND 20
40 VCC 39 P0.0 AD0 38 P0.1 AD1 37 P0.2 AD2 36 P0.3 AD3 35 P0.4 AD4 34 P0.5 AD5 33 P0.6 AD6 32 P0.7 AD7 31 EA/VPP 30 ALE/PROG 29 PSEN 28 P2.7 A15 27 P2.6 A14 26 P2.5 A13 25 P2.4 A12 24 P2.3 A11 23 P2.2 A10 22 P2.1 A9 21 P2.0 A8

PLCC
8-bit Microcontroller with 32K Bytes QuickFlash

AT87F51RC
6 P1.4 5 P1.3 4 P1.2 3 P1.1 T2 EX 2 P1.0 T2 1 NC 44 VCC 43 P0.0 AD0 42 P0.1 AD1 41 P0.2 AD2 40 P0.3 AD3

WR P3.6 12 RD P3.7 13

XTAL2 14 XTAL1 15

GND 16 GND 17 A8 P2.0 18 A9 P2.1 19 A10 P2.2 20 A11 P2.3 21 A12 P2.4 22

P1.5 7 P1.6 8 P1.7 9 RST 10 RXD P3.0 11

NC 12 TXD P3.1 13 INT0 P3.2 14 INT1 P3.3 15

T0 P3.4 16 T1 P3.5 17
39 P0.4 AD4 38 P0.5 AD5 37 P0.6 AD6 36 P0.7 AD7 35 EA/VPP 34 NC 33 ALE/PROG 32 PSEN 31 P2.7 A15 30 P2.6 A14 29 P2.5 A13

WR P3.6 18 RD P3.7 19

XTAL2 20 XTAL1 21

GND 22 NC 23

A8 P2.0 24 A9 P2.1 25 A10 P2.2 26 A11 P2.3 27 A12 P2.4 28
user programmed by a conventional nonvolatile memory programmer. A total of 512 bytes of internal RAM are available in the AT87F51RC. The 256-byte expanded internal RAM is accessed via MOVX instructions after clearing bit 1 in the SFR located at address 8EH. The other 256-byte RAM segment is accessed the same way as the Atmel

AT89-series and other 8052-compatible products. By combining a versatile 8-bit CPU with QuickFlash on a monolithic chip, the Atmel AT87F51RC is a powerful microcomputer which provides a highly-flexible and costeffective solution to many embedded control applications.

Block Diagram

P0.0 - P0.7

P2.0 - P2.7

VCC GND

PORT 0 DRIVERS

PORT 2 DRIVERS

RAM ADDR. REGISTER

PORT 0 LATCH

PORT 2 LATCH

QUICK FLASH

B REGISTER
Ordering Information

Speed MHz

Power Supply
5V ± 20%
5V ± 20%
5V ± 20%
5V ± 20%
Ordering Code AT87F51RC-12AC AT87F51RC-12JC AT87F51RC-12PC

AT87F51RC-12AI AT87F51RC-12JI AT87F51RC-12PI

AT87F51RC-16AC AT87F51RC-16JC AT87F51RC-16PC

AT87F51RC-16AI AT87F51RC-16JI AT87F51RC-16PI

AT87F51RC-20AC AT87F51RC-20JC AT87F51RC-20PC

AT87F51RC-20AI AT87F51RC-20JI AT87F51RC-20PI

AT87F51RC-24AC AT87F51RC-24JC AT87F51RC-24PC

AT87F51RC-24AI AT87F51RC-24JI AT87F51RC-24PI

AT87F51RC

Package 44A 44J 40P6
44A 44J 40P6
44A 44J 40P6
44A 44J 40P6
44A 44J 40P6
44A 44J 44Q
44A 44J 40P6
44A 44J 40P6

Operation Range Commercial 0° C to 70° C

Industrial -40° C to 85° C

Commercial 0° C to 70° C

Industrial -40° C to 85° C

Commercial 0° C to 70° C

Industrial -40° C to 85° C

Commercial 0° C to 70° C

Industrial -40° C to 85° C
44A 44J 40P6

Package Type 44-lead, Thin Plastic Gull Wing Quad Flatpack TQFP 44-lead, Plastic J-Leaded Chip Carrier PLCC 40-lead, Wide, Plastic Dual Inline Package PDIP

Packaging Information
44A, 44-lead, Thin mm Plastic Gull Wing Quad Flat Package TQFP Dimensions in Millimeters and Inches *
44J, 44-lead, Plastic J-Leaded Chip Carrier PLCC Dimensions in Inches and Millimeters

PIN 1 ID BSC

X 45° PIN NO. 1 IDENTIFY

X 30° - 45°
.650 16.5 SQ
.685 17.4 SQ

REF SQ

X 45° MAX 3X
*Controlling dimension millimeters
40P6, 40-lead, Wide, Plastic Dual Inline Package PDIP Dimensions in Inches and Millimeters

JEDEC STANDARD MS-011 AC

SEATING PLANE

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Datasheet ID: AT87F51RC-24PI 519058