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© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual Rev. 02 — 23 May 2005 121 of 133
Philips Semiconductors
UM10109
P89LPC932A1 User manual
Table 99: IAP function calls
IAP function IAP call parameters
Program User Code Page (requires
‘key’)
Input parameters:
ACC = 00h
R3= number of bytes to program
R4= page address (MSB)
R5= page address (LSB)
R7= pointer to data buffer in RAM
F1= 0h = use IDATA
Return parameter(s):
R7= status
Carry= set on error, clear on no error
Read Version Id Input parameters:
ACC = 01h
Return parameter(s):
R7= IAP code version id
Misc. Write (requires ‘key’) Input parameters:
ACC = 02h
R5= data to write
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
0A = Clear Configuration Protection
Return parameter(s):
R7= status
Carry= set on error, clear on no error