h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 228

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

Section 8 I/O Ports
8.2.4
Note: n = 7 to 0
8.2.5
Port 1 has an on-chip input pull-up MOS function that can be controlled by software. This input
pull-up MOS function can be specified as on or off on a bit-by-bit basis.
Table 8.2 summarizes the input pull-up MOS states.
Table 8.2
Mode
1
2, 3
Legend:
Off:
On/Off: On when the pin is in the input state, P1DDR = 0, and P1PCR = 1; otherwise off.
Rev. 3.00 Mar 21, 2006 page 174 of 788
REJ09B0300-0300
Operating
Mode
P1nDDR
OEn
Pin Function
P17/A7/PW7 to P10/A0/PW0
The pin function is switched as shown below according to the combination of the OEn bit in
PWOERA of PWM, the P1nDDR bit, and operating mode.
Input pull-up MOS is always off.
Port 1 Input Pull-Up MOS
Pin Functions
Input Pull-Up MOS States (Port 1)
A7 to A0
Mode 1
Reset
Off
output
pins
—
—
P10 input
P17 to
pins
—
0
Mode 2, 3 (EXPE = 1)
Hardware
Standby Mode
Off
A7 to A0
output
pins
0
1
PW7 to
output
PW0
pins
Software
Standby Mode
Off
On/Off
1
P10 input
P17 to
pins
—
0
Mode 2, 3 (EXPE = 0)
In Other
Operations
Off
On/Off
P17 to
output
pins
P10
0
1
PW7 to
output
PW0
pins
1