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P89C51RC2FA/01 Fiches technique(PDF) 53 Page - NXP Semiconductors

No de pièce P89C51RC2FA/01
Description  80C51 8-bit Flash microcontroller family
PDF  68 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P89C51RC2FA/01 Fiches technique(HTML) 53 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary data
P89C51RA2/RB2/RC2/RD2xx
80C51 8-bit Flash microcontroller family
8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM
2002 Jul 18
53
IAP CALL
PARAMETER
READ DEVICE ID #1
Input Parameter:
R0 = osc freq (integer)
R1 = 00h or R1 = 80h (WDT feed)
DPH = 00h
DPL = 01h - read device ID #1
Return Parameter:
ACC = value of byte read
READ DEVICE ID #2
Input Parameter:
R0 = osc freq (integer)
R1 = 00h or R1 = 80h (WDT feed)
DPH = 00h
DPL = 02h - read device ID #2
Return Parameter:
ACC = value of byte read
READ SECURITY BITS
Input Parameter:
R0 = osc freq (integer)
R1 = 07h or R1 = 87h (WDT feed)
DPH = 00h
DPL = 00h - read lock byte
Return Parameter:
ACC = value of byte read
READ STATUS BYTE
Input Parameter:
R0 = osc freq (integer)
R1 = 07h or R1 = 87h (WDT feed)
DPH = 00h
DPL = 01h - read status byte
Return Parameter:
ACC = value of byte read
READ BOOT VECTOR
Input Parameter:
R0 = osc freq (integer)
R1 = 07h or R1 = 87h (WDT feed)
DPH = 00h
DPL = 02h - read boot vector
Return Parameter:
ACC = value of byte read
READ CONFIG
(New function)
Input Parameter:
R0 = osc freq (integer)
R1 = 00h or R1 = 80h (WDT feed)
DPH = 00h
DPL = 03h - read config byte
Return Parameter:
ACC = value of byte read
READ REVISION
(New function)
Input Parameter:
R0 = osc freq (integer)
R1 = 00h or R1 = 80h (WDT feed)
DPH = 00h
DPL = 80h - read revision of ROM Code
Return Parameter:
ACC = value of byte read



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