參數(shù)資料
型號: MC80F0224K
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
文件頁數(shù): 42/128頁
文件大?。?/td> 1408K
代理商: MC80F0224K
MC80F0208/16/24
Preliminary
38
MAR. 2005 Ver 0.2
R5 and R5IO register:
R5 is an 3-bit CMOS bidirectional I/O
port (address 0CA
H
). Each I/O pin can independently used as an
input or an output through the R5IO register (address 0CB
H
).
In addition, Port R5 is multiplexed with various special features.
The control register PSR0 (address 0F8
H
) and PSR1 (address
0F9
H
) controls the selection of alternate function. After reset, this
value is “0”, port may be used as normal I/O port.
To use alternate function such as external interrupt, event counter
input, timer clock output or PWM output, write “1” in the corre-
sponding bit of PSR0 or PSR1. Regardless of the direction regis-
ter R5IO, PSR0 or PSR1 is selected to use as alternate functions,
port pin can be used as a corresponding alternate features.
R6 and R6IO register:
R6 is an 8-bit CMOS bidirectional I/O
port (address 0CC
H
). Each I/O pin can independently used as an
input or an output through the R6IO register (address 0CD
H
).
In addition, Port R6 is multiplexed with AD converter analog in-
put AN0~AN7.
R6IO (address CD
H
) controls the direction of the R6 pins, except
when they are being used as analog input channels. The user don’t
have to keep the pins configured as inputs when using them as an-
alog input channels, because the analog input mode is activated
by the setting of ADC enable bit of ADCM register and ADC
Port Pin
Alternate Function
R50
R51
R54
INT3 (External Interrupt 3)
EC1 (Event counter input to Counter 2)
PWM3O (PWM3/T3O output)
R4 Data Register
R4
ADDRESS: 0C8
RESET VALUE: 00
H
R47 R46 R45 R44 R43 R42 R41 R40
Port Direction
0: Input
1: Output
R4 Direction Register
R4IO
ADDRESS: 0C9
RESET VALUE: 00
H
Input / Output data
R4 Pull-up
Selection Register
PU4
ADDRESS: 0FE
RESET VALUE: 00
H
0: Disable
1: Enable
Pull-up Resister Selection
Port Pin
Alternate Function
R60
R61
R62
R63
R64
R65
R66
R67
AN0 (ADC input channel 0)
AN1 (ADC input channel 1)
AN2 (ADC input channel 2)
AN3 (ADC input channel 3)
AN4 (ADC input channel 4)
AN5 (ADC input channel 5)
AN6 (ADC input channel 6)
AN7 (ADC input channel 7)
R5 Data Register
R5
ADDRESS: 0CA
RESET VALUE: ---00000
B
-
R51 R50
-
-
-
R54 -
Port Direction
0: Input
1: Output
R5 Direction Register
R5IO
ADDRESS: 0CB
RESET VALUE: ---00000
B
-
Input / Output data
-
-
-
-
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
Port / EC Selection
0: R15, R51
1: EC0, EC1
Port / PWM3 Selection
0: R54
1: PWM3O/T3O port
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