p89lpc9171fdh NXP Semiconductors, p89lpc9171fdh Datasheet - Page 27

• Manufacturer Part Number: p89lpc9171fdh
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core, 2 Kb 3 V Byte-erasable Flash With 8-bit Adc
• Manufacturer: NXP Semiconductors

Table 8.
* indicates SFRs that are bit addressable.
Name
KBMASK
KBPATN
P0*
P1*
P2*
P0M1
P0M2
P1M1
P1M2
P2M1
P2M2
PCON
PCONA
PSW*
Special function registers - P89LPC9161
Description
Keypad
interrupt mask
register
Keypad pattern
register
Port 0
Port 1
Port 2
Port 0 output
mode 1
Port 0 output
mode 2
Port 1 output
mode 1
Port 1 output
mode 2
Port 2 output
mode 1
Port 2 output
mode 2
Power control
register
Power control
register A
Program status
word
Bit address
Bit address
Bit address
Bit address
SFR
addr.
D0H
86H
93H
80H
90H
A0H
84H
85H
91H
92H
A4H
A5H
87H
B5H
Bit functions and addresses
SMOD1
RTCPD
MSB
CY
A7
D7
87
97
-
-
-
-
-
-
-
-
-
SMOD0
AC
86
96
A6
D6
-
-
-
-
-
-
-
-
-
-
CMPREF
(P0M1.5)
(P0M2.5)
(P2M1.5)
(P2M2.5)
SPICLK
/CLKIN
VCPD
/KB5
RST
A5
D5
85
95
F0
-
-
-
(P0M1.4)
(P0M2.4)
(P2M1.4)
(P2M2.4)
CIN1A
ADPD
/KB4
RS1
BOI
SS
A4
D4
84
94
-
-
-
INT0/SDA
(P0M1.3)
(P0M2.3)
(P1M1.3)
(P1M2.3)
(P2M1.3)
(P2M2.3)
CIN1B
MISO
/KB3
I2PD
GF1
RS0
A3
D3
83
93
(P0M1.2)
(P0M2.2)
(P1M1.2)
(P1M2.2)
(P2M1.2)
(P2M2.2)
T0/SCL
CIN2A
SPPD
MOSI
/KB2
GF0
OV
A2
D2
82
92
(P0M1.1)
(P0M2.1)
(P1M1.1)
(P1M2.1)
PMOD1
CIN2B
/KB1
RXD
SPD
A1
D1
F1
81
91
-
-
-
(P1M1.0)
(P1M2.0)
PMOD0
LSB
TXD
A0
D0
80
90
P
-
-
-
-
-
-
-
Reset value
Hex
00
FF
[1]
[1]
[1]
FF
00
D3
00
03
00
00
00
00
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Binary
0000 0000
1111 1111
1111 1111
0000 0000
11x1 xx11
00x0 xx00
xxxx xx11
xxxx xx00
0000 0000
0000 0000
0000 0000