Datasheet
UCD90124A
www.ti.com
SLVSAN8 –JANUARY 2012
Table 1. PIN FUNCTIONS (continued)
PIN NAME PIN NO. I/O TYPE DESCRIPTION
MON9 63 I Analog input (0 V–2.5 V)
MON10 50 I Analog input (0 V–2.5 V)
MON11 52 I Analog input (0 V–2.5 V)
MON12 54 I Analog input (0 V–2.5 V)
MON13 56 I Analog input (0 V–2.5 V)
GPIO
GPIO1 11 I/O General-purpose discrete I/O
GPIO2 12 I/O General-purpose discrete I/O
GPIO3 13 I/O General-purpose discrete I/O
GPIO4 14 I/O General-purpose discrete I/O
GPIO13 25 I/O General-purpose discrete I/O
GPIO14 29 I/O General-purpose discrete I/O
GPIO15 30 I/O General-purpose discrete I/O
GPIO16 33 I/O General-purpose discrete I/O
GPIO17 34 I/O General-purpose discrete I/O
GPIO18 35 I/O General-purpose discrete I/O
PWM OUTPUTS
FPWM1/GPIO5 17 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM2/GPIO6 18 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM3/GPIO7 19 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM4/GPIO8 20 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM5/GPIO9 21 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM6/GPIO10 22 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM7/GPIO11 23 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM8/GPIO12 24 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
PWM1/GPI1 31 I/PWM Fixed 10-kHz PWM output or GPI
PWM2/GPI2 32 I/PWM Fixed 1-kHz PWM output or GPI
PWM3/GPI3 42 I/PWM PWM (0.93 Hz to 7.8125 MHz) or GPI
PWM4/GPI4 41 I/PWM PWM (0.93 Hz to 7.8125 MHz) or GPI
PMBus COMM INTERFACE
PMBUS_CLK 15 I/O PMBus clock (must have pullup to 3.3 V)
PMBUS_DATA 16 I/O PMBus data (must have pullup to 3.3 V)
PMBALERT# 27 O PMBus alert, active-low, open-drain output (must have pullup to 3.3 V)
PMBUS_CNTRL 28 I PMBus control
PMBUS_ADDR0 61 I PMBus analog address input. Least-significant address bit
PMBUS_ADDR1 60 I PMBus analog address input. Most-significant address bit
JTAG
TRCK 10 O Test return clock
TCK/GPIO19 36 I/O Test clock or GPIO
TDO/GPIO20 37 I/O Test data out or GPIO
TDI/GPIO21 38 I/O Test data in (tie to V
dd
with 10-kΩ resistor) or GPIO
TMS/GPIO22 39 I/O Test mode select (tie to V
dd
with 10-kΩ resistor) or GPIO
TRST 40 I Test reset – tie to ground with 10-kΩ resistor
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