參數(shù)資料
型號(hào)： M38221MAXXXHP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 14/78頁(yè)
文件大小： 998K
代理商： M38221MAXXXHP
21
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
Fig. 17 Port block diagram (3)
VL2/VL3
VL1/VSS
(13) Port P56
Data bus
Direction register
Port latch
Pul-up control
TOUT output control bit
Timer output
(14) Port P6
Data bus
Direction register
Port latch
Pull-up control
A-D conversion input
Analog input pin selection bit
(15) Port P70
Data bus
Direction register
Port latch
Port XC switch bit + Pull-up control
Port XC switch bit
Oscillation circuit
Port P71
Port XC switch bit
(16) Port P71
Data bus
Direction register
Port latch
Port XC switch bit
Port XC switch bit + Pull-up control
Sub-clock generating circuit input
VL3
VL2
VL1
(17) COM0–COM3
(18) SEG0–SEG11
The gate input signal of each transistor is
controlled by the LCD duty ratio and the
bias value.
The voltage applied to the sources of
P-channel and N-channel transistors
is the controlled voltage by the bias
value.
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