參數(shù)資料
型號(hào): MC80C0208
廠商: Electronic Theatre Controls, Inc.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁(yè)數(shù): 41/128頁(yè)
文件大?。?/td> 1408K
代理商: MC80C0208
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Preliminary
MC80F0208/16/24
MAR. 2005 Ver 0.2
37
R3 and R3IO register:
R3 is an 4-bit CMOS bidirectional I/O
port (address 0C6
H
). Each I/O pin can independently used as an
input or an output through the R3IO register (address 0C7
H
).
In addition, Port R3 is multiplexed with various special features.
After reset, this value is “0”, port may be used as normal I/O port.
R4 and R4IO register:
R4 is an 8-bit CMOS bidirectional I/O
port (address 0C8
H
). Each I/O pin can independently used as an
input or an output through the R4IO register (address 0C9
H
). The
on-chip pull-up resistor can be connected to them in 1-bit units
with a pull-up selection register 4 (PU4).
In addition, Port R4 is multiplexed with various special features.
After reset, this value is “0”, port may be used as normal I/O port.
R1 Data Register
R1
ADDRESS: 0C2
RESET VALUE: 00
H
R13 R12 R11 R10
-
-
R15 -
Port Direction
0: Input
1: Output
R1 Direction Register
R1IO
ADDRESS: 0C3
RESET VALUE: 00
H
Input / Output data
R1 Pull-up
Selection Register
-
PU1
ADDRESS: 0FD
RESET VALUE: 00
H
0: Disable
1: Enable
Pull-up Resister Selection
-
-
-
-
-
PSR0
ADDRESS: 0F8
RESET VALUE: 0-00 0000
B
INT2E
Port / INT Selection
0: R10, R11,R12, R50
1: INT0, INT1,INT2, INT3
-
INT0E
INT1E
INT3E
PWM3O
EC0E
EC1E
PSR1
ADDRESS: 0F9
RESET VALUE: ---- -0--
B
BUZO
R13/BUZO Selection
0: R13 port (Turn off buzzer)
1: BUZO port (Turn on buzzer)
-
-
-
-
-
-
-
Port / EC Selection
0: R15, R51
1: EC0, EC1
Port / PWM3 Selection
0: R54
1: PWM3O/T3O port
Port Pin
Alternate Function
R30
R31
R32
R33
-
ACLK1 (UART1 clock input)
RxD1 (UART1 data input)
TxD1(UART1 data output)
Port Pin
Alternate Function
R40
R41
R42
R43
R44
R45
R46
R47
-
-
SCK (SIO clock input/output)
SI (SIO data input)
SO (Serial1 data output)
ACLK0 (UART0 clock input)
RxD0 (UART0 data input)
TxD0 (UART0 data output)
R3 Data Register
R3
ADDRESS: 0C6
RESET VALUE: 00
H
R33 R32 R31 R30
-
-
-
-
Port Direction
0: Input
1: Output
R3 Direction Register
R3IO
ADDRESS: 0C7
RESET VALUE: 00
H
Input / Output data
-
-
-
-
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