參數(shù)資料
型號(hào): MSM66G101VS
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 10 MHz, MICROCONTROLLER, CDIP64
封裝: 0.750 INCH, 1.78 MM PITCH, CERAMIC, PIGGY BACK, DIP-64
文件頁數(shù): 26/28頁
文件大?。?/td> 574K
代理商: MSM66G101VS
7/28
Semiconductor
MSM66101
PIN DESCRIPTIONS
Type
Description
Symbol
P0.0–P0.7/
AD0–AD7
P1.0–P1.7/
A8–A15
P2.0–P2.2
P2.5/HLDA
P2.6
AD: Outputs the lower 8 bits of program counter during external program memory
fetch, and receives the addressed instruction under the control of PSEN.
Also outputs the address and outputs or inputs data during an external data
memory access instruction under the control of ALE, RD, and WR.
P1: 8-bit input-output port. Each bit can be assigned to input or output.
A: Outputs the upper 8 bits of program counter (PC8–15) during external program
memory fetch. Also this pin outputs the upper 8 bits of address during external data
memory access instructions.
P2: 8-bit input-output port. Each bit can be assigned to input or output.
P3: 8-bit input-output port. Each bit can be assigned to be an input or an output.
P2.4/HOLD
HOLD: Input pin to request the CPU to enter the hardware power-down state.
P3.0/TXD
P3.1/RXD
P0: 8-bit input-output port. Each bit can be assigned to input or output.
I/O
TXD: Serial port transmitter data output pin.
I/O
HLDA: HOLD ACKNOWLEDGE: the HLDA signal appears in response to the HOLD
signal and indicates that the CPU has entered the power-down state.
P2.3/CLKOUT
CLKOUT:
P2.7
P3.2/INT0
RXD: Serial port receiver data input pin with high impedance.
P3.3/INT1
INT: Interrupt Request Input pin.
P3.4/TM0IO
TM0IO-TM1IO: One of the following signals is output or input.
P3.5/TM1IO
P3.6
P3.7
Clock at twice the frequency range of the 16-bit timer overflow
Load trigger signal to the capture register input
Setting value output
Whether the signal is input or output depends on the mode.
P4.0/TM0CK
P4: 8-bit input-output port. Each bit can be assigned to an input or an output.
P4.1/TM1CK
TM0CK, TM1CK: Clock input pins of timer 0, timer 1.
P4.2/PWM0
P4.3/PWM1
P4.4 – P4.7/
TRANS0 – 3
TRANS: The input pins which sense the rising edge and set the flag.
PWM: 12-bit pulse-width modulator output pin.
I/O
P5.0 – P5.7/
AI0 –AI7
P5: 8-bit input port.
AI: Analog signal input pin for A/D converter.
I
Output pin for supplying a clock to peripheral circuits. Output frequency
range is equal to or twice the system clock.
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