参数资料
型号: P89LPC906
厂商: NXP Semiconductors N.V.
英文描述: 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
中文描述: 8位微控制器两个小时80C51的核心具有1KB 3伏闪光的128字节RAM
文件页数: 16/51页
文件大小: 243K
代理商: P89LPC906
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P89LPC906 Special function registers
…continued
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
MSB
P
P
8
9
P
R
1
KBMASK
Keypad interrupt mask
register
Keypad pattern register
86H
00
00000000
KBPATN
93H
FF
11111111
Bit address
87
-
86
85
84
83
-
82
-
81
-
80
-
P0*
Port 0
80H
CMP1
/KB6
96
-
B6
-
(P0M1.6) (P0M1.5) (P0M1.4)
(P0M2.6) (P0M2.5) (P0M2.4)
-
(P1M1.5)
-
(P1M2.5)
-
-
-
-
-
BOPD
VCPD
D6
D5
AC
F0
-
PT0AD.5
-
BOF
RTCS1
RTCS0
CMPREF
/KB5
95
RST
B5
-
CIN1A
/KB4
94
-
B4
-
[1]
Bit address
97
-
B7
-
-
-
-
-
-
-
-
93
-
B3
-
-
-
-
-
-
-
GF1
92
-
B2
-
-
-
-
-
-
-
GF0
-
D2
OV
-
R_WD
-
91
-
B1
90
-
B0
P1*
Port 1
90H
[1]
Bit address
P3*
P0M1
P0M2
P1M1
P1M2
P3M1
P3M2
PCON
PCONA
Port 3
Port 0 output mode 1
Port 0 output mode 2
Port 1 output mode 1
Port 1 output mode 2
Port 3 output mode 1
Port 3 output mode 2
Power control register
Power control register A
B0H
84H
85H
91H
92H
B1H
B2H
87H
B5H
XTAL1
-
-
-
-
(P3M1.1) (P3M1.0) 03
[1]
(P3M2.1) (P3M2.0) 00
[1]
PMOD1
PMOD0
-
D1
F1
-
R_SF
R_EX
ERTC
RTCEN
XTAL2
-
-
-
-
[1]
FF
00
FF
[1]
00
[1]
11111111
00000000
11111111
00000000
xxxxxx11
xxxxxx00
00000000
00000000
-
-
-
-
BOI
00
00
[1]
RTCPD
D7
CY
-
-
RTCF
Bit address
D4
RS1
D3
RS0
-
-
-
D0
P
-
PSW*
PT0AD
RSTSRC
RTCCON
Program status word
Port 0 digital input disable
Reset source register
Real-time clock control
D0H
F6H
DFH
D1H
00
00
00000000
xx00000x
PT0AD.4
POF
-
[3]
60
[1]
[6]
011xxx00
RTCH
RTCL
SP
TAMOD
Real-time clock register high
Real-time clock register low
Stack pointer
Timer 0 auxiliary mode
D2H
D3H
81H
8FH
00
[6]
00
[6]
07
00
00000000
00000000
00000111
xxx0xxx0
-
-
-
-
-
-
-
T0M2
88
-
Bit address
8F
TF1
8E
TR1
8D
TF0
8C
TR0
8B
-
8A
-
89
-
TCON*
Timer 0 and 1 control
88H
00
00000000
Table 7:
Bit functions and addresses
Reset value
Hex
LSB
Binary
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