8Bit Single Chip Microcontroller
3.5 I / O Circuits (Continued)
/RESET, /Vsync, /Hsync
TEST(Primary) Input Only
Vcc
Port
15
DMC73C167
Port B4-B7
OPEN DRAIN : 5V, 12mA
Vcc
Mask
Option
Port
Data In
S
Schmitt Inverter (Except TEST)
A3, A4, A5
I/O Port
Vcc
Data Out
Data Out
Mask
Option
Port
Mask Option
NO : 12mA Current Drive Port
YES : Internal Pull up
Data In S
Schmitt Inverter
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