3858 Group
b7
b0
Port P3 pull-up control register
(PULL3: address 001316
)
P30 pull-up control bit
0: No pull-up
1: Pull-up
P31 pull-up control bit
0: No pull-up
1: Pull-up
P32 pull-up control bit
0: No pull-up
1: Pull-up
P33 pull-up control bit
0: No pull-up
1: Pull-up
P34 pull-up control bit
0: No pull-up
1: Pull-up
Fix these bits to “0”.
Note: Pull-up control is valid when the corresponding bit of
the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set to
the port of which pull-up is selected.
b7
b0
Port P4 pull-up control register
(PULL4: address 001416
)
P40 pull-up control bit
0: No pull-up
1: Pull-up
P41 pull-up control bit
0: No pull-up
1: Pull-up
P42 pull-up control bit
0: No pull-up
1: Pull-up
P43 pull-up control bit
0: No pull-up
1: Pull-up
P44 pull-up control bit
0: No pull-up
1: Pull-up
Fix these bits to “0”.
Note: Pull-up control is valid when the corresponding bit of
the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set to
the port of which pull-up is selected.
Fig. 14 Structure of port registers (2)
Rev.1.10 Apr 3, 2006 page 17 of 75
REJ03B0139-0110
RENESAS [ RENESAS TECHNOLOGY CORP ]
