h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 267

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.12.4
Notes: 1. Except when used as a data bus pin, this pin can always be used as the WUEn input
Notes: 1. Except when used as a data bus pin, this pin can always be used as the WUE3 input
Operating
Mode
ABW
PBnDDR
Pin
Function
Operating
Mode
HI12E
CS4E
ABW
PB3DDR
Pin
Function
PB7/D7/WUE7 *
The pin function is switched as shown below according to the combination of the operating
mode, the PBnDDR bit, and the ABW bit in WSCR.
PB3/D3/WUE3 *
The pin function is switched as shown below according to the combination of the operating
mode, the HI12E and CS4E bits in SYSCR2, the ABW bit in WSCR, and the PB3DDR bit.
PB2/D2/WUE2 *
The pin function is switched as shown below according to the combination of the operating
mode, the HI12E and CS3E bits in SYSCR2, the ABW bit in WSCR, and the PB2DDR bit.
2. Not supported by the H8S/2148B and H8S/2145B (5-V version).
2. Not supported by the H8S/2148B and H8S/2145B (5-V version).
Pin Functions
pin. (n = 7 to 4)
pin. The CS4 input pin can only be used in mode 2 or 3 (EXPE = 0).
D3 I/O pin
Mode 1 and Modes 2, 3 (EXPE = 1)
I/O pin
—
0
Dn
—
0
2
2
2
Mode 1 and Modes 2, 3 (EXPE = 1)
, PB6/D6/WUE6 *
/CS4
/CS3
input pin
PB3
input pin
0
—
—
PBn
0
2
, PB5/D5/WUE5 *
1
output pin
1
PB3
1
output pin
PBn
1
WUE3 input pin *
WUEn input pin *
Rev. 3.00 Mar 21, 2006 page 213 of 788
2
input pin
, PB4/D4/WUE4 *
PB3
Either cleared to 0
0
Modes 2, 3 (EXPE = 0)
input pin
—
Modes 2, 3 (EXPE = 0)
PBn
1
1
0
output pin
PB3
2
1
Section 8 I/O Ports
REJ09B0300-0300
—
output pin
PBn
input pin
1
CS4
—
—
1
1