I/O Configuration
LH79524/LH79525 User’s Guide
11-10
Version 1.0
11.2.2.8 Resistor Configuration Control 5 Register (RESCTL5)
The RESCTL5 Register allows software to configure a number of the LH79524/LH79525
pull-up/pull-down resistors
.
Table 11-16. RESCTL5 Register
BIT
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
FIELD
///
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
FIELD
PA1
PA0
PB7
PB6
PB5
PB4
PB3
PB2
RESET
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
ADDR
0xFF 0x24
Table 11-17. RESCTL5 Fields
BIT
NAME
DESCRIPTION
31:16
///
Reserved
Reading returns 0. Write the reset value.
15:14
PA1
Pin PA1/INT3/UARTTX2/UARTIRTX2 Resistor Assignment
00 = No Pull-Down or Pull-Up
01 = Pull-Down
10 = Pull-Up
11 = Reserved
13:12
PA0
Pin PA0/INT2/UARTRX2/UARTIRRX2 Resistor Assignment
00 = No Pull-Down or Pull-Up
01 = Pull-Down
10 = Pull-Up
11 = Reserved
11:10
PB7
Pin PB7/INT1/UARTTX0/UARTIRTX0 Resistor Assignment
00 = No Pull-Down or Pull-Up
01 = Pull-Down
10 = Pull-Up
11 = Reserved
9:8
PB6
Pin PB6/INT0/UARTRX0/UARTIRRX0 Resistor Assignment
00 = No Pull-Down or Pull-Up
01 = Pull-Down
10 = Pull-Up
11 = Reserved
7:6
PB5
Pin PB5/SSPTX/UARTTX1/UARTIRTX1 Resistor Assignment
00 = No Pull-Down or Pull-Up
01 = Pull-Down
10 = Pull-Up
11 = Reserved