2-19
Signal
Type Pins Description
Comm Ports
UART1
RXD1
I
83
UART1 serial data input from external serial device, used for IR receive / can be used as GPIO
SSP1
SSPCLK1/CTS1-
B
87
SSP1 clock or UART1 Clear to Send signal / can be used as GPIO
SSPOUT1/DTR1-
B
86
SSP1 data out or UART1 Data Terminal Ready signal / can be used as GPIO
SSPIN1/BAUD1
B
84
SSP1 data in or 16X clock for USART function in UART1 / can be used as GPIO
UART0
RXD0
I
94
UART0 serial data input from external serial device / can be used as GPIO
TXD0
B
93
UART0 serial data output to an external serial device / can be used as GPIO
RTS0
B
96
UART0 request to send / can be used as GPIO
CTS0
B
95
UART0 Clear to Send signal / can be used as GPIO
SSP0
SSPOUT0/DTR0
B
92
SSP0 data out or UART0 Data Terminal Ready signal / can be used as GPIO
SSPIN0/BAUD0
B
90
SSP0 data in or 16X clock for USART function in UART0 / can be used as GPIO
SSPCLK0/RTS1
B
88
SSP0 clock or Request To Send function in UART1 / can be used as GPIO
System Interface
RSTP-
I
81
RESET_Power- from system, used to reset frequency synthesizer & rest of chip
SRST-
O
80
Active low RESET signal for peripheral reset
Video Interface
DAC0
O
118 Video DAC0 output (Composite video; Chrominance output for S-Video)
DAC1
O
114 Video DAC1 output (Luminance for S-Video and component; G output for SCART)
DAC2
O
112 Video DAC2 output (Chrominance output for NTSC/PAL S-Video; Cb output for component; Blue output for
SCART)
DAC3
O
110 Video DAC3 output (A second composite video; Cr output for component; Red output for SCART)
IOM
O
111 Cascaded DAC differential output used to dump current into external resistor for power
VREF
I
116 Input voltage reference (1.2V typ) for output DACs
RSET
O
119 Current setting resistor of output DACs
COMP
O
120 Compensation capacitor connection
Vdd
DAC
P
108 DAC Digital Power/1.8V
Vss
DAC
P
109 DAC Digital Ground
Vaa3
P
113 DAC Analog Power/3.3V
NC (Vaa)
-
117 Unused (was Vaa = 2.5V on NDV8501 device, can be connected to 1.8V without problem)
Vssa
P
115 DAC Analog Ground
