JVC XV-N50BK, Service Manual

Page: 40 / 89

XV-N50BK,XV-N55SL
1-40 (No.A0041)
29 MA10 O SDRAM Address bus terminal
30 MA11 - Non connect
31 VSSio - Connect to ground
32,33 MA12,13 O SDRAM Address bus, reserved for terminal compatibility with 64Mb SDRAM
34 VDD - Power supply terminal 1.8V
35 CS0 O SDRAM Primary bank chip select
36 VDDio - Power supply terminal 3.3V
37 RAS O SDRAM Command bit
38 CAS O SDRAM Command bit
39 WE O SDRAM Command bit
40 VSSio - Connect to ground
41 DQM0 O SDRAM Data byte enable
42 DQM2 O SDRAM Data byte enable
43 MD16 I/O SDRAM Data bus terminal
44 VDDio - Power supply terminal 3.3V
45,46 MD17,18 I/O SDRAM Data bus terminal
47 VSS - Connect to ground
48 MD19 I/O SDRAM Data bus terminal
49 VSSio - Connect to ground
50~52 MD20~22 I/O SDRAM Data bus terminal
53 VDDio - Power supply terminal 3.3V
54~56 MD23~25 I/O SDRAM Data bus terminal
57 VSSio - Connect to ground
58~61 MD26~29 I/O SDRAM Data bus terminal
62 VDDio - Power supply terminal 3.3V
63,64 MD30,31 I/O SDRAM Data bus terminal
65 DQM3 O SDRAM Data byte enable
66 CS1 O SDRAM Extension bank chip select
67 VSSD - Connect to ground
68 SPDIF O S/PDIF Digital audio output terminal
69 VSSio - Connect to ground
70 AIN I Digital audio input for digital micro; can be used as GPIO
71 AOUT3 O Serial audio output data to audio DAC for left and right channels for down-mix
72 AOUT2 O Serial audio output data to audio DAC for surround left and right channels
73 AOUT1 O Serial audio output data to audio DAC for center and LFE channels
74 AOUT0 O Serial audio output data to audio DAC for left and right channels
75 VDDio - Power supply terminal 3.3V
76 PCMCLK O Audio DAC PCM sampling clock frequency, common clock for DACs and ADC
77 VDD - Power supply terminal 1.8V
78 ACLK O Audio interface serial data clock, common clock for DACs and AD converter
79 LRCLK O Left / right channel clock, common clock for DACs and ADC
80 SRST O Active low RESET signal for peripheral reset
81 RSTP I RESET_Power : from system, used to reset frequency synthesizer and rest of chip
82 VSSio - Connect to ground
83 RXD1 I UART1 Serial data input from external serial device, used for IR receiver
84 SSPIN1 I/O SSP1 Data in or 16X clock for USART function in UART1
85 VSS - Connect to ground
86 SSPOUT1 I/O SSP1 Data out or UART1 data-terminal-ready signal
87 SSPCLK1 I/O SSP1 Clock or UART1 clear-to -send signal
88 SSPCLK0 I/O SSP0 Clock or request-to-send function in UART1
89 VDD - Power supply terminal 1.8V
90 SSPIN0 I/O SSP0 Data in or 16X clock for USART function in UART0
Pin No. Symbol Description