參數(shù)資料
型號(hào)： HMS38112
廠商： Electronic Theatre Controls, Inc.
英文描述： 4-BIT SINGLE CHIP MICROCOMPUTERS
中文描述： 4位單片機(jī)微機(jī)
文件頁數(shù)： 9/73頁
文件大?。?/td> 505K
代理商： HMS38112
1-6
Pin Description and Circuit
Pin Description
Pin
Function
I/O
Connected to 2.0~ 3.6V power supply
Connected to 0V power supply.
4-bit input port with built in pull-up resistor.
STOP mode is released by "L" input of each pin.
K0 ~ K3
Input
GND
-
VDD
-
Each can be set and reset independently.
The output is the structure of N-channel-open-drain.
2-bit I/O port. (Input mode is set only when each of them output "H".)
In outputting, each can be set and reset independently(or at once.)
The output is in the form of C-MOS.
STOP mode is released by "L" input of each pin.
High current output port for driving I.R.LED.
The output is in the form N-channel open drain.
D0 ~ D5
Output
R2 ~ R3
I/O
REMOUT
Output
Oscillator input. Input to the oscillator circuit and connection
point for ceramic resonator.
A feedback resistor is connected between this pin and OSC2.
Connect a resonator between this pin and OSC1.
OSC1
Input
OSC2
Output
Ground pin for internal high current N-channel transistor.
(connected to GND)
PGND
-
2-bit input port with built in pull-up resistor.
STOP mode is released by "L" input of each pin.
R0 ~ R1
Input
Chapter 1.HMS38112
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