NAD T 562 Service Manual page 17

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