hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 165

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

Table 8.9
Pin
P4
8.4.4
Table 8.10 shows the port 4 pin states in each operating mode.
Table 8.10 Port 4 Pin States
Pins
P4
P4
P4
P4
150
0
3
2
1
0
/SCK
/IRQ
/TXD
/RXD
/SCK
0
32
32
32
32
Pin States
Port 4 Pin Functions (cont)
Pin Functions and Selection Method
The pin function depends on bit CKE1 and CKE0 in SCR3-2, bit COM32 in
SMR32, and bit PCR4
Reset
High-
impedance
Pin function
COM32
PCR4
CKE1
CKE0
0
Sleep
Retains
previous
state
P4
0
Subsleep Standby
Retains
previous
state
in PCR4.
0
input pin P4
0
High-
impedance
0
0
0
output pin SCK
0
1
Watch
Retains
previous
state
1
32
pin
*
Subactive Active
Functional Functional
output
1
*
SCK
32
pin
1
*
*
*
input