P89CV51RD2FBC datasheet(2/73 Pages) NXP

Part #	P89CV51RD2FBC

Description	8-bit 80C51 5 V low power 64 kB flash microcontroller with 1 kB RAM, SPI, 6-clock CPU with 6/12-clock peripherals

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Manufacturer	NXP [NXP Semiconductors]

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P89CV51RB2_RC2_RD2_1

Product data sheet

Rev. 01 — 5 October 2007

2 of 73

NXP Semiconductors

P89CV51RB2/RC2/RD2

80C51 with 1 kB RAM, SPI

I Power-down mode with external interrupt wake-up

I Idle mode

2.3 Comparison to P89C51RB2/RC2/RD2 devices

I SPI: The P89CV51RB2/RC2/RD2 devices have an SPI interface that was not present

on the P89C51RB2/RC2/RD2 devices.

I Smaller block size: The page size decreased from 4 kB to 128 B. These smaller

pages can be erased and reprogrammed using IAP function calls, which makes

practical use of code memory for non-volatile data storage. A page is erased in 30 ms

or less. IAP and ISP code both support 128-B page operations. The IAP and ISP code

uses multiple page-erase operations to emulate the erasing of larger block sizes (8 kB

and 16 kB) to maintain ﬁrmware compatibility.

I Status bit replaces Status byte: Automatic entry into ISP mode following a reset is

now controlled by one status bit. Its operation is almost identical to that used by the

previous devices, which was based on the zero/non-zero value of the status byte.

I Faster block erase: The erase time for the entire user-code memory of the

P89CV51RB2/RC2/RD2 devices is 150 ms, which is a signiﬁcant improvement.

I Larger RAM size: RAM size increased from 512 B to 1 kB.

3.

Ordering information

3.1 Ordering options

Table 1.

Ordering information

Type number

Package

Name

Description

Version

P89CV51RB2FA

PLCC44

plastic leaded chip carrier; 44 leads

SOT187-2

P89CV51RB2FBC

TQFP44

plastic thin quad ﬂat package; 44 leads; body

10

× 10 × 1.0 mm

SOT376-1

P89CV51RC2FA

PLCC44

plastic leaded chip carrier; 44 leads

SOT187-2

P89CV51RC2FBC

TQFP44

plastic thin quad ﬂat package; 44 leads; body

10

× 10 × 1.0 mm

SOT376-1

P89CV51RD2FA

PLCC44

plastic leaded chip carrier; 44 leads

SOT187-2

P89CV51RD2FBC

TQFP44

plastic thin quad ﬂat package; 44 leads; body

10

× 10 × 1.0 mm

SOT376-1

Table 2.

Ordering options

Type number

Flash

memory

RAM

Temperature

range

Frequency

P89CV51RB2FA

16 kB

1 kB

−40 °C to +85 °C

0 MHz to 40 MHz

P89CV51RB2FBC

P89CV51RC2FA

32 kB

1 kB

P89CV51RC2FBC

P89CV51RD2FA

64 kB

1 kB

P89CV51RD2FBC

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P89CV51RD2FBC Datasheet(PDF) 2 Page - NXP Semiconductors

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