h8s-2110b Renesas Electronics Corporation., h8s-2110b Datasheet - Page 136
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h8s-2110b
Manufacturer Part Number
h8s-2110b
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2110B.pdf
(559 pages)
- Current page: 136 of 559
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Section 7 I/O Ports
7.3.3
P2PCR controls the port 2 on-chip input pull-up MOSs.
7.3.4
Note: n = 7 to 0
7.3.5
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 7.3 summarizes the input pull-up MOS states.
Table 7.3
Reset
Off
Legend:
Off:
On/Off: On when the pin is in the input state, P2DDR = 0, and P2PCR = 1; otherwise off.
Rev. 2.00 Mar 21, 2006 page 98 of 518
REJ09B0299-0200
Bit
7
6
5
4
3
2
1
0
P2nDDR
Pin Function
P27 to P20
The pin function is switched as shown below according to the status of the P2nDDR bit.
Input pull-up MOS is always off.
Bit Name
P27PCR
P26PCR
P25PCR
P24PCR
P23PCR
P22PCR
P21PCR
P20PCR
Port 2 Pull-Up MOS Control Register (P2PCR)
Pin Functions
Port 2 Input Pull-Up MOS
Input Pull-Up MOS States (Port 2)
Initial Value
0
0
0
0
0
0
0
0
Hardware
Standby Mode
Off
P27 to P20 input pins
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
Description
The input pull-up MOS is turned on when a
P2PCR bit is set to 1 in the input port state.
Software
Standby Mode
On/Off
P27 to P20 output pins
In Other
Operations
On/Off
1
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