MDT10P622 Datasheet, PDF (16/19 Pages) Micon Design Technology Corporation – 8-bit micro-controller

11. Port A ,Port B and Port C Equivalent Circuit
PA0~3 ,PA5 ,PB0~PB7 ,PC7
Working Register
Data I/P
D
QB
I/O
Control
I/O Control
Latch
CK
Q
PORTB USED
PULL-HIGH
enable bit
Write
D
Data O/P
Latch
CK
Q
MDT10P622
80K ohm
Port I/O Pin
Data Bus
Read
PA4/RTCC
QB
D
Data I/P
Latch
CK
TTL Input Level
Input Resistor
Working Register
Data I/P
D
QB
I/O
Control
I/O Control
Latch
CK
Q
Write
D
Data O/P
Latch
CK
Q
Port I/O Pin
Data Bus
Read
QB
D
Data I/P
Latch
CK
TTL Input Level
Input Resistor
Time0 input
Schmitt Input Level
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.16
2006/7 Ver1.0