STR-DA5500ES
167
NETWORK BOARD IC8204 TL16C550DPTR (PARALLEL/SERIAL CONVERTER)
Pin No. Pin Name I/O Description
1 NC - Not used
2 to 4 D5 to D7 I/O
Two-way data bus with the fl ash ROM, connected media processor and parallel bus/I2C bus
converter
5 RCLK I Clock signal input from the BAUDOUT terminal (pin 16)
6 NC - Not used
7 SIN I Serial data input from the RS232C connector
8 SOUT O Serial data output to the RS232C connector
9, 10 CS0, CS1 I Chip select signal input terminal Not used
11 CS2_N I Chip select signal input from the connected media processor
12 BAUDOUT O Clock signal output to the RCLK terminal (pin 5)
13 NC - Not used
14 XIN I System clock input terminal (3.6864 MHz)
15 XOUT O System clock output terminal (3.6864 MHz)
16 WR1 I Write enable signal input from the connected media processor
17 WR2 I Write enable signal input terminal Not used
18 Vss - Ground terminal
19 RD1 I Read enable signal input from the connected media processor
20 RD2 I Read enable signal input terminal Not used
21 NC - Not used
22 DDIS O Driver disenable signal output terminal Not used
23 TXRDY O Transmitter ready signal output terminal Not used
24 ADS I Address strobe signal input terminal Not used
25 NC - Not used
26 A2 I Address signal input form the connected media processor
27 A1 I Address latch enable signal input form the connected media processor
28 A0 I Command latch enable signal input from the connected media processor
29 RXRDY O Receiver ready signal output terminal Not used
30 INTRPT O Interrupt signal output to the connected media processor
31 OUT2 O Not used
32 RTS O Request to send signal output terminal Not used
33 DTR O Data terminal ready signal output terminal Not used
34 OUT1 O Not used
35 MR(RESET) I Reset signal input from the connected media processor “L”: reset
36, 37 NC - Not used
38 CTS I Clear to send signal input terminal Not used
39 DSR I Data setting ready signal input terminal Not used
40 DCD I Data career detection signal input terminal Not used
41 RI I Modem status signal input terminal Not used
42 Vcc(3.3V) - Power supply terminal (+3.3V)
43 to 47 D0 to D4 I/O
Two-way data bus with the fl ash ROM, connected media processor and parallel bus/I2C bus
converter
48 NC - Not used
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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