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Philips Semiconductors
User’s Manual - Preliminary -
P89LPC901/902/903
GENERAL DESCRIPTION
2003 Dec 8 23
IP1H# Interrupt Priority 1 High F7H - PSTH - - - PCH PKBIH - 00H
1
00x00000
KBCON# Keypad Control Register 94H - - - - - -
PATN_S
EL
KBIF 00H
1
xxxxxx00
KBMASK# Keypad Interrupt Mask Register 86H 00H 00000000
KBPATN# Keypad Pattern Register 93H FFH 11111111
87 86 85 84 83 82 81 80
P0* Port 0 80H - -
CMPREF/
KB5
CIN1A/
KB4
-KB2- - Note 1
97 96 95 94 93 92 91 90
P1* Port 1 90H - - RST
- - - RxD TxD
P0M1# Port 0 Output Mode 1 84H - - (P0M1.5) (P0M1.4) - (P0M1.2) - - FFH 11111111
P0M2# Port 0 Output Mode 2 85H - - (P0M2.5) (P0M2.4) - (P0M2.2) - - 00H 00000000
P1M1# Port 1 Output Mode 1 91H - - (P1M1.5) - - - (P1M1.1) (P1M1.0) FFH
1
11111111
P1M2# Port 1 Output Mode 2 92H - - (P1M2.5) - - - (P1M2.1) (P1M2.0) 00H
1
00000000
PCON# Power Control Register 87H SMOD1 SMOD0 BOPD BOI GF1 GF0 PMOD1 PMOD0 00H 00000000
PCONA# Power Control Register A B5H RTCPD - VCPD - - - SPD -
00H
1
00000000
D7 D6 D5 D4 D3 D2 D1 D0
PSW* Program Status Word D0H CY AC F0 RS1 RS0 OV F1 P 00H 00000000
PT0AD# Port 0 Digital Input Disable F6H - - PT0AD.5 PT0AD.4 - PT0AD.2 - - 00H xx00000x
RSTSRC# Reset Source Register DFH - - BOF POF R_BK R_WD R_SF R_EX Note 2
RTCCON# Real-Time Clock Control D1H RTCF RTCS1 RTCS0 - - - ERTC RTCEN 60H
1,5
011xxx00
RTCH# Real-Time Clock Register High D2H 00H
5
00000000
RTCL# Real-Time Clock Register Low D3H 00H
5
00000000
SADDR# Serial Port Address Register A9H 00H 00000000
SADEN# Serial Port Address Enable B9H 00H 00000000
SBUF Serial Port Data Buffer Register 99H xxH xxxxxxxx
9F 9E 9D 9C 9B 9A 99 98
SCON* Serial Port Control 98H SM0/FE SM1 SM2 REN TB8 RB8 TI RI 00H 00000000
SSTAT# Serial Port Extended Status Register BAH DBMOD INTLO CIDIS DBISEL FE BR OE STINT 00H 00000000
SP Stack Pointer 81H 07H 00000111
8F 8E 8D 8C 8B 8A 89 88
TCON*Timer 0 and 1 Control 88HTF1TR1TF0TR0----00H00000000
Name Description
SFR
Address
Bit Functions and Addresses Reset Value
MSB
LSB
Hex Binary