h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 305

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Operating
Mode
CPCSE
P92DDR
Pin function
Operating
Mode
CPCSE and
CFE
P91DDR
Pin function
Operating
Mode
ABW,
ABW256,
ABWCP
P90DDR
Pin function
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.
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.
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.
P92 input pin
P91 input pin
P90 input
pin
0
All bits are 1
0
0
Either bit is 0
P90 output
0
Extended Mode
Extended Mode
P92 output pin CPCS1 output
P91 output pin CPCS2 output
pin
Extended Mode
1
1
1
LWR output pin
Both bits are 1
One bit is 0
pin
pin
—
—
—
1
Rev. 3.00 Jan 25, 2006 page 253 of 872
P92 input pin
P91 input pin
Single-Chip Mode
Single-Chip Mode
P90 input
0
0
Single-Chip Mode
pin
0
Section 9 I/O Ports
REJ09B0286-0300
—
—
P92 output pin
P91 output pin
—
P90 output
1
1
pin
1