Datasheet

RTP Control Registers www.ti.com
36.3.16 RTP Pin Control 7 Register (RTPPC7)
This register controls the pullup/down functionality of a pin. The internal pullup/down can be enabled or
disabled by this register. The reset configuration of these bits is device dependent, consult the device
datasheet for this information. Figure 36-24 and Table 36-25 describe this register.
Figure 36-24. RTP Pin Control 7 Register (RTPPC7) (offset = 50h)
31 19 18 17 16
Reserved ENADIS CLKDIS SYNCDIS
R-0 R/W-x R/W-x R/W-x
15 0
DATADIS[15:0]
R/W-x
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 36-25. RTP Pin Control 7 Register (RTPPC7) Field Descriptions
Bit Field Value Description
31-19 Reserved 0 Read returns 0. Writes have no effect.
18 ENADIS RTPENA Pull disable. This bit removes internal pullup/pulldown functionality from the pin when it is
configured as an input pin (RTPPC1[18] = 0).
Read:
0 Pullup/pulldown functionality is enabled
1 Pullup/pulldown functionality is disabled
Write:
0 Enables pullup/pulldown functionality
1 Disables pullup/pulldown functionality
17 CLKDIS RTPCLK Pull disable. This bit removes the internal pullup/pulldown functionality from the pin when
it is configured as an input pin (RTPPC1[17] = 0).
Read:
0 Pullup/pulldown functionality is enabled
1 Pullup/pulldown functionality is disabled
Write:
0 Enables pullup/pulldown functionality
1 Disables pullup/pulldown functionality
16 SYNCDIS RTPSYNC Pull disable. Removes internal pullup/pulldown functionality from the pin when
configured as an input pin (RTPPC1[16] = 0).
Read:
0 Pullup/pulldown functionality is enabled
1 Pullup/pulldown functionality is disabled
Write:
0 Enables pullup/pulldown functionality
1 Disables pullup/pulldown functionality
15-0 DATADIS[n] RTPDATA[15:0] Pull disable. Removes internal pullup/pulldown functionality from the pins when
configured as input pins (RTPPC1[15:0] = 0). Each bit [n] represents a single pin.
Read:
0 Pullup/pulldown functionality is enabled
1 Pullup/pulldown functionality is disabled
Write:
0 Enables pullup/pulldown functionality
1 Disables pullup/pulldown functionality
1902
RAM Trace Port (RTP) SPNU562–May 2014
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