HD6432646 Hitachi, HD6432646 Datasheet - Page 1130

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

C.7
1096
Port A Block Diagram
PAn
Legend
WDDRA
WDRA
WODRA
WPCRA
RDRA
RPORA
RODRA
RPCRA
n = 0 to 7
Figure C-7 Port A Block Diagram (Pins PA0 to PA7)
*1
*2
: Write to PADDR
: Write to PADR
: Write to PAODR
: Write to PAPCR
: Read PADR
: Read port A
: Read PAODR
: Read PAPCR
Notes: *1 Output enable signal
Mode4/5/6
Address
enable
*2 Open drain control signal
Q
PAnPCR
Q
PAnDDR
Q
Q
PAnODR
WPCRA
WDDRA
WODRA
PAnDR
WDRA
Reset
Reset
Reset
Reset
R
R
C
C
R
C
R
C
RPCRA
RODRA
RDRA
RPORA
D
D
D
D