HD6432621 Hitachi, HD6432621 Datasheet - Page 304

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Pin
PC2/A2/SCK0/
IRQ4
260
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode,
bit C/A in the SCI0’s SMR, bits CKE0 and CKE1 in SCR, and bit PC2DDR.
Operating
Mode
PC2DDR
CKE1
C/A
CKE0
Pin function
Operating
Mode
CKE1
C/A
CKE0
PC2DDR
Pin function
Modes 4
output
and 5
A2
input
—
—
—
—
PC2
0
0
input
PC2
0
output
PC2
0
1
0
output
SCK0
0
1
0
IRQ4 input
IRQ4 input
Mode 7
output
SCK0
—
1
0
Mode 6
output
SCK0
—
1
output
SCK0
—
—
1
SCK0
input
—
—
1
SCK0
input
output
—
—
—
1
A2
—
—
—
1