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R01UH0336EJ0102 Rev.1.02
Page 53 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 2 Port Functions
(6)
PIBCn – Port Input Buffer Control Register
In input port mode (PMCn.PMCn_m = 0 and PMn.PMn_m = 1), this register
enables/disables the port pin's input buffer (n = 0 to 5, 8).
Access
Readable and writable in 16-bit units.
Address
Refer to Table 2-7, Port Group Configuration Registers.
Initial value
0000
H
A reset from any source will initialize the bits.
Caution
Settings in this register are overruled in bi-directional mode
(PBDCn.PBDCn_m = 1).
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
PIBC
n_15
PIBC
n_14
PIBC
n_13
PIBC
n_12
PIBC
n_11
PIBC
n_10
PIBC
n_9
PIBC
n_8
PIBC
n_7
PIBC
n_6
PIBC
n_5
PIBC
n_4
PIBC
n_3
PIBC
n_2
PIBC
n_1
PIBC
n_0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 2-14
PIBCn Register Contents
Bit Position
Bit Name
Function
15 to 0
PIBCn_[15:0]
Enables/disables the input buffer.
0: Input buffer disabled
1: Input buffer enabled