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P89LPC92X1 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 2.1 — 27 August 2012 15 of 75
NXP Semiconductors
P89LPC9201/9211/922A1/9241/9251
8-bit microcontroller with 8-bit ADC
IP0H Interrupt
priority 0 high
B7H - PWDRTH PBOH PSH/
PSRH
PT1H PX1H PT0H PX0H 00
[1]
x000 0000
Bit address FF FE FD FC FB FA F9 F8
IP1* Interrupt
priority 1
F8H - PST - - - PC PKBI PI2C 00
[1]
00x0 0000
IP1H Interrupt
priority 1 high
F7H - PSTH - - - PCH PKBIH PI2CH 00
[1]
00x0 0000
KBCON Keypad control
register
94H------PATN
_SEL
KBIF 00
[1]
xxxx xx00
KBMASK Keypad
interrupt mask
register
86H 00 0000 0000
KBPATN Keypad pattern
register
93H FF 1111 1111
Bit address 87 86 85 84 83 82 81 80
P0* Port 0 80H T1/KB7 CMP1
/KB6
CMPREF
/KB5
CIN1A
/KB4
CIN1B
/KB3
CIN2A
/KB2
CIN2B
/KB1
CMP2
/KB0
[1]
Bit address 97 96 95 94 93 92 91 90
P1* Port 1 90H - - RST
INT1 INT0/SDA T0/SCL RXD TXD
[1]
Bit address B7 B6 B5 B4 B3 B2 B1 B0
P3*Port3B0H------XTAL1XTAL2
[1]
P0M1 Port 0 output
mode 1
84H (P0M1.7) (P0M1.6) (P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF
[1]
1111 1111
P0M2 Port 0 output
mode 2
85H (P0M2.7) (P0M2.6) (P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00
[1]
0000 0000
P1M1 Port 1 output
mode 1
91H (P1M1.7) (P1M1.6) - (P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3
[1]
11x1 xx11
P1M2 Port 1 output
mode 2
92H (P1M2.7) (P1M2.6) - (P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00
[1]
00x0 xx00
P3M1 Port 3 output
mode 1
B1H------(P3M1.1)(P3M1.0)03
[1]
xxxx xx11
P3M2 Port 3 output
mode 2
B2H------(P3M2.1)(P3M2.0)00
[1]
xxxx xx00
Table 4. Special function registers - P89LPC9201/9211/922A1
* indicates SFRs that are bit addressable.
Name Description SFR
addr.
Bit functions and addresses Reset value
MSB LSB Hex Binary