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参数资料
型号： M44C892
厂商： ATMEL CORP
元件分类： 微控制器/微处理器
英文描述： 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封装： SSO-20
文件页数： 14/84页
文件大小： 643K
代理商： M44C892
M44C892
M44C892
M44C092
Rev. A5, 14-Dec-01
21 (84)
Table 7 Peripheral addresses
Port Address
Name
Write
/Read
Reset Value
Register Function
Module
Type
See
Page
1
P1DAT
W/R
1xx1b
Port 1 – data register / input data
M3
22
2
P2DAT
W/R
1111b
Port 2 – data register / pin data
M2
23
Aux.
P2CR
W
1111b
Port 2 – control register
23
3
SC
W
1x11b
Port 3 – system configuration register
M3
19
CWD
R
xxxxb
Watchdog reset
M3
29
Aux.
CM
W/R
1111b
Port 3 – clock management register
M2
18
4
P4DAT
W/R
1111b
Port 4 – data register / pin data
M2
26
Aux.
P4CR
W
1111 1111b
Port 4 – control register (byte)
26
5
P5DAT
W/R
1111b
Port 5 – data register / pin data
M2
25
Aux.
P5CR
W
1111 1111b
Port 5 – control register (byte)
25
6
P6DAT
W/R
1xx1b
Port 6 – data register / pin data
M2
27
Aux
P6CR
W
1111b
Port 6 – control register (byte)
27
7
T12SUB
W
––––
Data to Timer 1/2 subport
M1
20
Subport address
0
T2C
W
0000b
Timer 2 control register
M1
37
1
T2M1
W
1111b
Timer 2 mode register 1
M1
38
2
T2M2
W
1111b
Timer 2 mode register 2
M1
39
3
T2CM
W
0000b
Timer 2 compare mode register
M1
40
4
T2CO1
W
1111b
Timer 2 compare register 1
M1
40
5
T2CO2
W
1111 1111b
Timer 2 compare register 2 (byte)
M1
40
6
––––
––––
––––
Reserved
7
––––
––––
––––
Reserved
8
T1C1
W
1111b
Timer 1 control register 1
M1
30
9
T1C2
W
x111b
Timer 1 control register 2
M1
30
A
WDC
W
1111b
Watchdog control register
M1
31
B-F
Reserved
8
ASW
W
1111b
Auxiliary / switch register
ASW
20
9
STB
W
xxxx xxxxb
Serial transmit buffer (byte)
M2
60
SRB
R
xxxx xxxxb
Serial receive buffer (byte)
61
Aux.
SIC1
W
1111b
Serial interface control register 1
59
A
SISC
W/R
1x11b
Serial interface status / control register
M2
60
Aux.
SIC2
W
1111b
Serial interface control register 2
59
B
T3SUB
W/R
––––
Data to / from Timer 3 subport
M1
20
Subport address
0
T3M
W
1111b
Timer 3 mode register
M1
48
1
T3CS
W
1111b
Timer 3 clock select register
M1
49
2
T3CM1
W
0000b
Timer 3 compare mode register 1
M1
50
3
T3CM2
W
0000b
Timer 3 compare mode register 2
M1
50
4
T3CO1
W
1111 1111b
Timer 3 compare register 1 (byte)
M1
51
4
T3CP
R
xxxx xxxxb
Timer 3 capture register (byte)
M1
51
5
T3CO2
W
1111 1111b
Timer 3 compare register 2 (byte)
M1
51
6–F
––––
Reserved
C
T3C
W
0000b
Timer 3 control register
M3
48
T3ST
R
x000b
Timer 3 status register
M3
49
D
–––
––––
Reserved
E
–––
––––
Reserved
F
VMC
W
1111b
Voltage monitor control register
M3
15
VMST
R
xx11b
Voltage monitor status register
M3
15
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