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參數(shù)資料
| 型號(hào)： | MC80F0224Q |
| 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)： | 11/128頁(yè) |
| 文件大?。?/td> | 1408K |
| 代理商： | MC80F0224Q |
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Preliminary
MC80F0208/16/24
MAR. 2005 Ver 0.2
7
5. PIN FUNCTION
V
DD
: Supply voltage.
V
SS
: Circuit ground.
AV
DD
: Supply voltage to the ladder resistor of ADC circuit.
RESET
: Reset the MCU.
X
IN
: Input to the inverting oscillator amplifier and input to the in-
ternal main clock operating circuit.
X
OUT
: Output from the inverting oscillator amplifier.
R00~R07
: R0 is an 8-bit CMOS bidirectional I/O port. R0 pins
with 1 or 0 written to the R0 Port Direction Register R0IO can be
used as outputs or inputs. The internal pull-up resistor can be con-
nected by using the pull-up selection register 0 (PU0).
R10~R13, R15
: R1 is an 5-bit CMOS bidirectional I/O port. R1
pins with 1 or 0 written to the R1 Port Direction Register R1IO
can be used as outputs or inputs. The internal pull-up resistor can
be connected by using the pull-up selection register 1 (PU1).
In addition, R1 serves the functions of the various following spe-
cial features such as INT0 (External interrupt 0), INT1 (External
interrupt 1), INT2 (External interrupt 2), BUZO (Buzzer driver
output), EC0 (Event counter input 0).
R30~R33
: R3 is an 4-bit CMOS bidirectional I/O port. R3 pins
with 1 or 0 written to the R3 Port Direction Register R3IO can be
used as outputs or inputs. R3 operates as the high current output
port with typical 20mA at low level output.
In addition, R3 serves the functions of the following special fea-
tures such as ACLK1 (UART1 Asynchronous serial clock input),
RxD1 (UART1 data input), TxD1 (UART1 data output).
R40~R47
: R4 is an 8-bit CMOS bidirectional I/O port. R4 pins
with 1 or 0 written to the R4 Port Direction Register R4IO can be
used as outputs or inputs. The internal pull-up resistor can be con-
nected by using the pull-up selection register 4 (PU4).
In addition, R4 serves the functions of the various following spe-
cial features such as SCK (Serial clock), SI (Serial data input), SO
(Serial data output), ACLK0 (UART1 Asynchronous serial clock
input), RxD0 (UART0 data input), TxD0 (UART0 data output).
R50, R51, R54
: R5 is an 3-bit CMOS bidirectional I/O port. R5
pins with 1 or 0 written to the R5 Port Direction Register R5IO
can be used as outputs or inputs.
In addition, R5 serves the functions of the various following spe-
cial features such as INT3 (External interrupt 3), EC1 (Event
counter input 1), PWM3O (PWM output 3)/T3O(Timer3 Com-
pare output).
R60~R67
: R6 is an 8-bit CMOS bidirectional I/O port. R6 pins
with 1 or 0 written to the R6 Port Direction Register R6IO can be
used as outputs or inputs.
In addition, R6 serves the functions of the ADC analog input port
AN[7:0].
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