3804H_M Datasheet, PDF (128/387 Pages) Renesas Technology Corp – 8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

3804 Group (Spec.H)
APPLICATION
2.1 I/O port
Port Pi pull-up control register (i = 0 to 2, 4 to 6)
b7 b6 b5 b4 b3 b2 b1 b0
Port Pi pull-up control register (i = 0 to 2, 4 to 6)
(PULLi: addresses 0FF016, 0FF116, 0FF216, 0FF416, 0FF516, 0FF616)
b
Name
0 ^{Port Pi0 pull-up}
control bit
1 Port Pi1 pull-up
control bit
2 Port Pi2 pull-up
control bit
3 ^{Port Pi3 pull-up}
control bit
4 ^{Port Pi4 pull-up}
control bit
5 Port Pi5 pull-up
control bit
6 ^{Port Pi6 pull-up}
control bit
7 Port Pi7 pull-up
control bit
Functions
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
At reset R W
0
0
0
0
0
0
0
0
Fig. 2.1.4 Structure of Port Pi pull-up control register (i = 0, 1, 2, 4, 5, 6)
Port P3 pull-up control register
b7 b6 b5 b4 b3 b2 b1 b0
Port P3 pull-up control register
(PULL3: address 0FF316)
b
Name
Functions
0 ^{Port P30 pull-up}
control bit
0: No pull-up
1: Pull-up
1 Port P31 pull-up
control bit
0: No pull-up
1: Pull-up
2 Nothing is arranged for these bits. These are
write disabled bits. When these bits are read
3 _{out, the contents are “0”.}
4 ^{Port P34 pull-up}
control bit
0: No pull-up
1: Pull-up
5 Port P35 pull-up
control bit
6 ^{Port P36 pull-up}
control bit
0: No pull-up
1: Pull-up
0: No pull-up
1: Pull-up
7 Port P37 pull-up
control bit
0: No pull-up
1: Pull-up
At reset R W
0
0
0
00
0
0
0
0
Fig. 2.1.5 Structure of Port P3 pull-up control register
Rev.1.00 Jan 14, 2005
2-4
REJ09B0212-0100Z