AT89C51RC2-3CSCM(2003) 데이터 시트보기 (PDF) - Atmel Corporation

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AT89C51RC2-3CSCM
(Rev.:2003)

8-bit Microcontroller with 16K/32K Bytes Flash

Atmel Corporation 

Table 74. API Call Summary (Continued)

Command

R1

A

DPTR0

READ MANUF ID

00h

XXh

0000h

READ DEVICE ID1 00h

XXh

READ DEVICE ID2 00h

XXh

READ DEVICE ID3 00h

XXh

ERASE BLOCK

01h

XXh

0001h

0002h

0003h

DPH = 00h

DPH=20h

DPH=40h

DPTR1

XXh

XXh

XXh

XXh

00h

PROGRAM DATA

PAGE

09h

PROGRAM X2 FUSE 0Ah

PROGRAM BLJB

FUSE

0Ah

READ BOOT ID1

0Eh

READ BOOT ID2

0Eh

READ BOOT VERSION 0Fh

Number of

Byte to

program

Fuse value

00h or 01h

Fuse value

00h or 01h

XXh

XXh

XXh

Address of

the first Byte

to program in

the Flash

memory

Address in

XRAM of the

first data to

program

0008h

XXh

0004h

XXh

DPL = 00h

XXh

DPL = 01h

XXh

XXXXh

XXh

Returned Value Command Effect

ACC=Manufacturer

ID

Read Manufacturer identifier

ACC= Device ID 1 Read Device identifier 1

ACC=Device ID 2 Read Device identifier 2

ACC=Device ID 3 Read Device identifier 3

Erase block 0 (from 0x0000 to 0x1FFF)

ACC=DPH

Erase block 1 (from 0x2000 to 0x3FFF)

Erase block 2 (from 0x4000 to 0x7FFF)

(AT89C51RC2 device only)

ACC = 0 : DONE

Program up to 128 Bytes in user Flash.

Remark: number of Bytes to program is

limited such as the Flash write remains in a

single 128 Bytes page. Hence, when ACC is

128, valid values of DPL are 00h, or 80h.

none

Program X2 fuse bit with ACC

none

Program BLJB fuse bit with ACC

ACC=ID1

Read boot ID1

ACC=ID2

Read boot ID2

ACC=Boot_Version Read bootloader version

104 AT89C51RB2/RC2

4180B–8051–04/03

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