TPMC533 User Manual Issue 1.0.1
Page 72 of 107
3.2.1.10.2 DIO Pull Resistors Register (0x39C)
All of the 8 Digital I/Os are connected to 4.7
kΩ pull resistor
s. The voltage, the pull resistors are connected to,
is programmable and can be configured to 3.3V, 5V, GND or floating level.
Bit
Symbol
Description
Access
Reset
Value
31:2
-
Reserved
-
-
1:0
VPULL_DIO
Digital I/O Pull Resistor Configuration
VPULL_DIO
Pull Resistor Configuration
00
Floating
01
Pull-Ups to +5V
10
Pull-Ups to +3.3V
11
Pull-Downs to GND
R/W
00
Table 3-70: DIO Pull Resistor Register
Note that the default configuration for the Digital I/O Pull Resistors is floating.
3.2.1.10.3 P14 Back I/O Pull Resistors Register (0x3A0)
All P14 Back I/O Signals (Global Conversion Clock 1, Global Conversion Clock 2 and Global Frame Trigger)
are connected to 4.7
kΩ pull resistor
s. The voltage, the pull resistors are connected to, is programmable and
can be configured to 3.3V, 5V, GND or floating level.
Bit
Symbol
Description
Access
Reset
Value
31:2
-
Reserved
-
-
1:0
VPULL_P14
P14 Back I/O Pull Resistor Configuration
VPULL_P14
Pull Resistor Configuration
00
Floating
01
Pull-Ups to +5V
10
Pull-Ups to +3.3V
11
Pull-Downs to GND
R/W
00
Table 3-71: P14 Back I/O Pull Resistor Register
Note that the default configuration for the P14 Back I/O Pull Resistors is floating.