AT89C51RC2-3CSCM 查看數據表（PDF） - Atmel Corporation

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AT89C51RC2-3CSCM

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

Atmel Corporation 

Table 74. API Call Summary (Continued)

Command

R1

A

DPTR0

Fuse value

PROGRAM X2 FUSE 0Ah

00h or 01h

0008h

PROGRAM BLJB

FUSE

Fuse value

0Ah

00h or 01h

0004h

READ HSB

0Bh

XXh

XXXXh

READ BOOT ID1

0Eh

XXh

DPL = 00h

READ BOOT ID2

0Eh

XXh

DPL = 01h

READ BOOT VERSION 0Fh

XXh

XXXXh

DPTR1

XXh

XXh

XXh

XXh

XXh

XXh

Returned Value

none

none

ACC = HSB

ACC = ID1

ACC = ID2

ACC = Boot_Version

Command Effect

Program X2 fuse bit with ACC

Program BLJB fuse bit with ACC

Read Hardware Byte

Read boot ID1

Read boot ID2

Read bootloader version

106 AT89C51RB2/RC2

4180E–8051–10/06

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