Philips P89LPC938 User Manual page 129

Philips Semiconductors
Table 114: IAP function calls
IAP function
Misc. Read
Erase Sector/Page (requires 'key')
User manual
...continued
IAP call parameters
Input parameters:
ACC = 03h
R7= register address
00= UCFG1
01= reserved
02= Boot Vector
03= Status Byte
04= reserved
05= reserved
06= reserved
07= reserved
08= Security Byte 0
09= Security Byte 1
0A= Security Byte 2
0B= Security Byte 3
0C= Security Byte 4
0D= Security Byte 5
0E= Security Byte 6
0F= Security Byte 7
Return parameter(s):
R7= register data if no error, else error status
Carry= set on error, clear on no error
Input parameters:
ACC = 04h
R7= 00H (erase page) or 01H (erase sector)
R4= sector/page address (MSB)
R5=sector/page address (LSB)
Return parameter(s):
R7= status
Carry= set on error, clear on no error
Rev. 03 — 7 June 2005
UM10119
P89LPC938 User manual
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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