Renesas H8S/2158 User Manual page 307

• P92/CPCS1
The pin function is switched as shown below according to the combination of the operating
mode, the CPCSE bit in BCR2 of BSC, and the P92DDR bit.
Operating
Mode
CPCSE
P92DDR
Pin function P92 input pin
• P91/CPCS2
The pin function is switched as shown below according to the combination of the operating
mode, the CPCSE bit in BCR2 of BSC, the CFE bit in BCR, and the P91DDR bit.
Operating
Mode
CPCSE and
CFE
P91DDR
Pin function P91 input pin
• P90/LWR
The pin function is switched as shown below according to the combination of the operating
mode, the ABW and ABW256 bits in WSCR, the ABWCP bit in BCR2, and the P90DDR bit.
Operating
Mode
ABW,
ABW256,
ABWCP
P90DDR
Pin function P90 input
Extended Mode
0
0 1
P92 output pin CPCS1 output
Extended Mode
Either bit is 0
0 1
P91 output pin CPCS2 output
Extended Mode
All bits are 1
0 1
P90 output
pin pin
1
—
P92 input pin
pin
Both bits are 1
—
P91 input pin
pin
One bit is 0
—
LWR output pin
Rev. 3.00 Jan 25, 2006 page 253 of 872
Section 9 I/O Ports
Single-Chip Mode
—
0 1
P92 output pin
Single-Chip Mode
—
0 1
P91 output pin
Single-Chip Mode
—
0 1
P90 input P90 output
pin pin
REJ09B0286-0300