HD6432646 Hitachi, HD6432646 Datasheet - Page 1131

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

C.8
Port B Block Diagram
PBn
Figure C-8 Port B Block Diagram (Pins PB0 to PB7)
WDDRB
WDRB
WODRB
WPCRB
RDRB
RPORB
RODRB
RPCRB
n= 0 to 7
Legend
*1
*2
: Write to PBDDR
: Write to PBDR
: Write to PBODR
: Write to PBPCR
: Read PBDR
: Read port B
: Read PBODR
: Read PBPCR
Notes: *1 Output enable signal
Mode 4/5/6
Address
enable
*2 Open drain control signal
Q
Q
Q
Q
PBnODR
PBnPCR
PBnDDR
WODRB
WPCRB
WDDRB
PBnDR
WDRB
Reset
Reset
Reset
Reset
R
C
R
C
R
C
R
C
RPCRB
RODRB
RDRB
RPORB
D
D
D
D
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