HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 209

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 8.21 Port 8 Pin Functions (cont)
Pin
P8
P8
Note: * Don’t care
8.8.4
Table 8.22 shows the port 8 pin states in each operating mode.
Table 8.22
Pins
P8
1
0
7
/FTOA
/FTCI
to P8
0
Pin States
/FTCI High-
Port 8 Pin States
Reset
impedance
Pin Functions and Selection Method
The pin function depends on bit PCR8
OEA
PCR8
Pin function
The pin function depends on bit PCR8
PCR8
Pin function
1
0
Sleep
Retains
previous
state
P8
1
Subsleep Standby
Retains
previous
state
input pin
0
P8
0
input pin
0
0
High-
impedance
P8
1
1
0
output pin
in PCR8 and bit OEA in TOCR.
in PCR8.
1
FTCI input pin
Watch
Retains
previous
state
FTOA output pin
P8
Subactive Active
Functional Functional
0
output pin
1
*
1
201