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P89C51RD

80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM

Philips Electronics 

Philips Semiconductors

80C51 8-bit Flash microcontroller family

8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM

Preliminary data

P89C51RA2/RB2/RC2/RD2xx

SELECTION TABLE

Type

Memory

Timers

Serial

Interfaces

Max.

Freq.

at 6-clk

/ 12-clk

(MHz)

Freq.

Range

at 3V

(MHz)

Freq.

Range

at 5V

(MHz)

P89C51RD2xx

1K

–

P89C51RC2xx 512B –

P89C51RB2xx 512B –

P89C51RA2xx 512B –

– 64K 4 √ √ √ √ – – – –

– 32K 4 √ √ √ √ – – – –

– 16K 4 √ √ √ √ – – – –

– 8K 4 √ √ √ √ – – – –

32 7(2)/4

32 7(2)/4

32 7(2)/4

32 7(2)/4

√ 12-clk 6-clk H

√ 12-clk 6-clk H

√ 12-clk 6-clk H

√ 12-clk 6-clk H

20/33

20/33

20/33

20/33

NOTE:

1. P89C51Rx2Hxx devices have a 6-clk default clock rate (12-clk optional). Please also see Device Comparison Table.

–

0-20/33

–

0-20/33

–

0-20/33

–

0-20/33

DEVICE COMPARISON TABLE

Item

1st generation of Rx2 devices

Type description

Programming algo-

rithm

Clock mode (I)

Clock mode (II)

P89C51Rx2Hxx(x)

When using a parallel programmer,

be sure to select

P89C51Rx2Hxx(x) devices

6-clk default, OTP configuration bit

to program to 12-clk mode using

parallel programmer (cannot be

programmed back to 6-clk)

N/A

Peripheral clock

modes

Flash block structure

N/A

Two 8-Kbyte blocks

1–3 16-Kbyte blocks

2nd generation of Rx2 devices

(this data sheet)

P89C51Rx2xx(x)

When using a parallel programmer, be

sure to select P89C51Rx2xx(x) de-

vices (no more letter ‘H’)

12-clk default, Flash configuration bit

to program to 6-clk mode using paral-

lel programmer or ISP (can be repro-

grammed)

6-clock/12-clock mode programmable

“on the fly” by SFR bit X2 (CKCON.0)

Peripherals can be run in 12-clk mode

while CPU runs in 6-clk mode

2–16 4-Kbyte blocks

Difference

No more letter ‘H’

Different programming algorithm

due to process change

More flexibility for the end user,

more compatibility to older

P89C51Rx+ parts

Clock mode can be changed by

software

More flexibility, lower power con-

sumption

More flexibility

ORDERING INFORMATION

PART ORDER

NUMBER1

MEMORY

FLASH RAM

1. P89C51RA2BA/01

2. P89C51RA2BBD/01

3. P89C51RB2BA/01

4. P89C51RB2BBD/01

5. P89C51RC2BN/01

6. P89C51RC2BA/01

7. P89C51RC2FA/01

8. P89C51RC2BBD/01

9. P89C51RC2FBD/01

10. P89C51RD2BN/01

11. P89C51RD2BA/01

12. P89C51RD2BBD/01

13. P89C51RD2FA/01

8 KB

8 KB

16 KB

16 KB

32 KB

32 KB

32 KB

32 KB

32 KB

64 KB

64 KB

64 KB

64 KB

512 B

512 B

512 B

512 B

512 B

512 B

512 B

512 B

512 B

1024 B

1024 B

1024 B

1024 B

TEMPERATURE

RANGE (°C)

AND PACKAGE

0 to +70, PLCC

0 to +70, LQFP

0 to +70, PLCC

0 to +70, LQFP

0 to +70, PDIP

0 to +70, PLCC

–40 to +85, PLCC

0 to +70, LQFP

–40 to +85, LQFP

0 to +70, PDIP

0 to +70, PLCC

0 to +70, LQFP

–40 to +85, PLCC

NOTE:

1. The Part Marking will not include the “/01”.

VOLTAGE

RANGE

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

4.5–5.5 V

FREQUENCY (MHz)

6-CLOCK

MODE

12-CLOCK

MODE

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

0 to 20 MHz 0 to 33 MHz

DWG #

SOT187-2

SOT389-1

SOT187-2

SOT389-1

SOT129-1

SOT187-2

SOT187-2

SOT389-1

SOT389-1

SOT129-1

SOT187-2

SOT389-1

SOT187-2

2002 Jul 18

3

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