Datasheet

832
PAR
Internal
data bus
RES
TXDm
PFC
Standby
PAW
Q PAnMD
Q PAnIOR
Q HIZ
STBCR
n = 1, 4
m = 0, 1
PAR: Port A read signal
PAW: Port A write signal
RES: Reset signal
PAnDR
Q
C
D
R
PAn/
TXDm
Figure B.7 PAn/TXDm Block Diagram