HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 199

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

Table 9-17 Port 9 Pin Functions (cont)
Pin
P9
PW
P9
FTOA
P9
FTOA
2
1
0
1
/ TXD
/
/
3
2
2
/ The function depends on the OE bit in PWM timer 1’s TCR, the TE bit in SCI2’s
Selection of Pin Functions
SCR, and the P9PWME bit and P9SCI2E bit in SYSCR2.
P9SCI2E
P9PWME
OE
TE
Pin function
When used for P9
The function depends on the output enable A bit (OEA) in FRT3’s TCR and on the
P9
OEA
P9
Pin function
The function depends on the output enable A bit (OEA) in FRT2’s TCR and on the
P9
OEA
P9
Pin function
1
1
0
0
DDR bit as follows.
DDR
DDR bit as follows.
DDR
output
0
input/
P9
P9
P9
0
2
2
1
0
1
0
0
input/output, the input or output function is selected by P9
input
input
1
0
output
0
TXD
1
0
0
1
2
P9
P9
output
1
0
0
input/
P9
output
output
182
1
1
0
2
1
0
1
output
0
PW
1
1
1
0
0
FTOA
FTOA
0/1
0/1
0
0
output
input/
3
2
1
1
P9
output
output
2
0/1
0/1
1
1
1
1
2
DDR.