HD6432646 Hitachi, HD6432646 Datasheet - Page 293

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

Table 9-13 PA7 to PA4 Pin Functions
Pin
H8S/2646
H8S/2646R
H8S/2645
H8S/2648
H8S/2648R
H8S/2647
Table 9-14 PA3 to PA0 Pin Functions
Pin
PA3/A19/COM4 to
PA0/A16/COM1
PA7/A23
/SEG24 to
PA4/A20
/SEG21
PA7/A23
/SEG40 to
PA4/A20
/SEG37
Selection Method and Pin Functions
Switches as follows according to the combinations of bits SGS3 to SGS0 of
LCD driver LPCR, bits AE3 to AE0 of PFGR, and bits PA3DDR to PA0DDR of
PADDR.
Setting of
SGS3 to SGS0
Operating
mode
Setting of AE3
to AE0
PAnDDR
Pin function
Selection Method and Pin Functions
Switches as follows according to the combinations of bits SGS3 to SGS0 of LCD
driver LPCR, bits AE3 to AE0 of PFGR, and bits PA7DDR to PA4DDR of PADDR.
Setting of
SGS3 to SGS0
Operating
mode
Setting of AE3
to AE0
PAnDDR
Pin function
Address
output
enabled
A19 to
output
Address
output
enabled
A16
A23 to
output
—
A20
—
Modes 4 to 6
Modes 4 to 6
PA0 input
Address output
PA7 to
PA3 to
input
PA4
Address output
0
disabled
0
disabled
Port
PA7 to
output
PA4
1
PA3 to
output
0000
PA0
1
PA7 to
input
PA4
0
Mode 7
PA0 input
—
PA3 to
PA7 to
output
PA4
0
1
Mode 7
—
H8S/2646R,
H8S/2646,
H8S/2645
SEG24 to
SEG21
PA3 to
output
output
PA0
—
—
—
1
SEG output
H8S/2648R,
Other than
H8S/2648,
COM1 to
H8S/2647
SEG40 to
n = 3 to 0
COM4
SEG37
output
n = 7 to 4
output
0000
—
—
—
—
—
—
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