Filter
Top Products
System Configuration and Control
www.ti.com
Table 1-49. Pull-Down Inhibit Register 1 (PDINHIBR1) Field Descriptions (continued)
Bit Field Value Description
2 S02PD Serial port 0 pin 2 pull-down inhibit bit. Setting this bit to 1 disables the pin's internal pull-down.
0 Pin pull-down is enabled.
1 Pin pull-down is disabled.
1 S01PD Serial port 0 pin 1 pull-down inhibit bit. Setting this bit to 1 disables the pin's internal pull-down.
0 Pin pull-down is enabled.
1 Pin pull-down is disabled.
0 S00PD Serial port 0 pin 0 pull-down inhibit bit. Setting this bit to 1 disables the pin's internal pull-down.
0 Pin pull-down is enabled.
1 Pin pull-down is disabled.
The pull-down inhibit register 2 (PDINHIBR2) is shown in Figure 1-40 and described in Table 1-50.
Figure 1-40. Pull-Down Inhibit Register 2 (PDINHIBR2) [1C18h]
15 14 13 12 11 10 9 8
Reserved INT1PU INT0PU RESETPU EMU01PU TDIPU TMSPU TCKPU
R-0 R/W-1 R/W-1 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
7 6 5 4 3 2 1 0
Reserved A20PD A19PD A18PD A17PD A16PD A15PD
R-0 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 1-50. Pull-Down Inhibit Register 2 (PDINHIBR2) Field Descriptions
Bit Field Value Description
15 Reserved 0 Reserved.
14 INT1PU Interrupt 1 pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
13 INT0PU Interrupt 0 pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
12 RESETPU Reset pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
11 EMU01PU EMU1 and EMU0 pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
10 TDIPU TDI pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
9 TMSPU TMS pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
8 TCKPU TCK pin pull-up inhibit bit. Setting this bit to 1 disables the pin's internal pull-up.
0 Pin pull-up is enabled.
1 Pin pull-up is disabled.
7-6 Reserved 0 Reserved.
68
System Control SPRUFX5A–October 2010–Revised November 2010
Submit Documentation Feedback
Copyright © 2010, Texas Instruments Incorporated