h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 232
h8s-2161b
Manufacturer Part Number
h8s-2161b
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2161B.pdf
(845 pages)
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Section 8 I/O Ports
Note: n = 3 to 0
8.3.5
Port 2 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 8.3 summarizes the input pull-up MOS states.
Table 8.3
Mode
1
2, 3
Legend:
Off:
On/Off: On when the pin is in the input state, P2DDR = 0, and P2PCR = 1; otherwise off.
Rev. 3.00 Mar 21, 2006 page 178 of 788
REJ09B0300-0300
Operating
Mode
P2nDDR
OEm
Pin Function
P23/A11/PW11, P22/A10/PW10, P21/A9/PW9, P20/A8/PW8
The pin function is switched as shown below according to the combination of the OEm bit in
PWOERB of PWM, the P2nDDR bit, and operating mode.
m = 11 to 8
Input pull-up MOS is always off.
Port 2 Input Pull-Up MOS
Input Pull-Up MOS States (Port 2)
A11 to A8
Mode 1
Reset
Off
output
pins
—
—
P20 input
P23 to
pins
—
0
Mode 2, 3 (EXPE = 1)
Hardware
Standby Mode
Off
A11 to A8
output
pins
0
1
PW11 to
output
PW8
pins
Software
Standby Mode
Off
On/Off
1
P20 input
P23 to
pins
—
0
Mode 2, 3 (EXPE = 0)
In Other
Operations
Off
On/Off
P23 to
output
pins
P20
0
1
PW11 to
output
PW8
pins
1
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