HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 198

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 9-17 Port 9 Pin Functions (cont)
Pin
P9
PW
P9
PW
4
3
3
2
/ SCK
/ RXD
2
2
/ The function depends on the output enable bit (OE) of PWM timer 3’s timer control
/ The function depends on the OE bit in PWM timer 2’s TCR, the RE bit in SCI2’s
Selection of Pin Functions
register (TCR), the C/A bit in SCI2’s SMR, the CKE1 and CKE0 bits in SCI2’s SCR,
and the port 9 PWM enable bit (P9PWME) and port 9 serial enable bit (P9SCI2E) in
system control register 2 (SYSCR2).
P9SCI2E
P9PWME
OE
C/A
CKE1
CKE0
Pin function
When used for P9
SCR, and the P9PWME bit and P9SCI2E bit in SYSCR2.
P9SCI2E
P9PWME
OE
RE
Pin function
When used for P9
output
output
input/ internal external internal external input/
0
input/
P9
P9
0
0
4
4
3
3
1
input/output, the input or output function is selected by P9
input/output, the input or output function is selected by P9
0
1
0
output
clock
0
RXD
SCI2
input
0
1
1
1
2
output
0
0
SCI2
clock
input/
input
0/1
P9
181
1
0
1
0
3
1
1
0
1
output
output
0
0
SCI2
clock
PW
0
1
1
1
2
1
0
clock
SCI2
input
0/1
0/1
1
0
0
output
1
input/
P9
output
3
P9
0/1
0/1
0/1
0/1
0/1
0
1
1
4
0
1
output
PW
0/1
0/1
0/1
1
3
output
input/
1
1
P9
0/1
0/1
0/1
0/1
4
3
4
DDR.
DDR.
0
0