P89C51RC2BASLASH01 datasheet(3/68 Pages) PHILIPS

3 / 68 page

Philips Semiconductors

Preliminary data

P89C51RA2/RB2/RC2/RD2xx

80C51 8-bit Flash microcontroller family

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

2002 Jul 18

SELECTION TABLE

Type

Memory

Timers

Serial

Interfaces

Max.

Freq.

at 6-clk

/ 12-clk

(MHz)

Freq.

Range

(MHz)

Freq.

Range

(MHz)

P89C51RD2xx

–

64K

√

–

7(2)/4

√

12-clk

6-clk

20/33

–

0-20/33

P89C51RC2xx

512B

–

32K

√

–

7(2)/4

√

12-clk

6-clk

20/33

–

0-20/33

P89C51RB2xx

512B

–

16K

√

–

7(2)/4

√

12-clk

6-clk

20/33

–

0-20/33

P89C51RA2xx

512B

–

√

–

7(2)/4

√

12-clk

6-clk

20/33

–

0-20/33

NOTE:

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

DEVICE COMPARISON TABLE

Item

1st generation of Rx2 devices

2nd generation of Rx2 devices

(this data sheet)

Difference

Type description

P89C51Rx2Hxx(x)

P89C51Rx2xx(x)

No more letter ‘H’

Programming algo-

rithm

When using a parallel programmer,

be sure to select

P89C51Rx2Hxx(x) devices

When using a parallel programmer, be

sure to select P89C51Rx2xx(x) de-

vices (no more letter ‘H’)

Different programming algorithm

due to process change

Clock mode (I)

6-clk default, OTP configuration bit

to program to 12-clk mode using

parallel programmer (cannot be

programmed back to 6-clk)

12-clk default, Flash configuration bit

to program to 6-clk mode using paral-

lel programmer or ISP (can be repro-

grammed)

More flexibility for the end user,

more compatibility to older

P89C51Rx+ parts

Clock mode (II)

N/A

6-clock/12-clock mode programmable

“on the fly” by SFR bit X2 (CKCON.0)

Clock mode can be changed by

software

Peripheral clock

modes

N/A

Peripherals can be run in 12-clk mode

while CPU runs in 6-clk mode

More flexibility, lower power con-

sumption

Flash block structure

Two 8-Kbyte blocks

1–3 16-Kbyte blocks

2–16 4-Kbyte blocks

More flexibility

ORDERING INFORMATION

PART ORDER

MEMORY

TEMPERATURE

VOLTAGE

FREQUENCY (MHz)

PART ORDER

NUMBER1

FLASH

RAM

RANGE (

°C)

AND PACKAGE

VOLTAGE

RANGE

6-CLOCK

MODE

12-CLOCK

MODE

DWG #

P89C51RA2BA/01

8 KB

512 B

0 to +70, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

P89C51RA2BBD/01

8 KB

512 B

0 to +70, LQFP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT389-1

P89C51RB2BA/01

16 KB

512 B

0 to +70, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

P89C51RB2BBD/01

16 KB

512 B

0 to +70, LQFP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT389-1

P89C51RC2BN/01

32 KB

512 B

0 to +70, PDIP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT129-1

P89C51RC2BA/01

32 KB

512 B

0 to +70, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

P89C51RC2FA/01

32 KB

512 B

–40 to +85, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

P89C51RC2BBD/01

32 KB

512 B

0 to +70, LQFP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT389-1

P89C51RC2FBD/01

32 KB

512 B

–40 to +85, LQFP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT389-1

10.

P89C51RD2BN/01

64 KB

1024 B

0 to +70, PDIP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT129-1

11.

P89C51RD2BA/01

64 KB

1024 B

0 to +70, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

12.

P89C51RD2BBD/01

64 KB

1024 B

0 to +70, LQFP

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT389-1

13.

P89C51RD2FA/01

64 KB

1024 B

–40 to +85, PLCC

4.5–5.5 V

0 to 20 MHz

0 to 33 MHz

SOT187-2

NOTE:

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

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