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SM5901AF 데이터시트(PDF) 3 Page - Nippon Precision Circuits Inc |
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SM5901AF 데이터시트(HTML) 3 Page - Nippon Precision Circuits Inc |
3 / 31 page SM5901AF Pin number Pine name I/O Function Setting HL 1 VDD2 - VDD supply pin 2 UC1 Ip/O Microcontroller interface extension I/O 1 3 UC2 Ip/O Microcontroller interface extension I/O 2 4 UC3 Ip/O Microcontroller interface extension I/O 3 5 UC4 Ip/O Microcontroller interface extension I/O 4 6 VSS2 - Ground 7 NTEST1 Ip Test pin Test 8 NTEST2 Ip Test pin Test 9 CLK I 16.9344 MHz clock input 10 VSS1 - Ground 11 YSRDATA I Audio serial input data 12 YLRCK I Audio serial input LR clock Left channel Right channel 13 YSCK I Audio serial input bit clock 14 ZSCK O Audio serial output bit clock 15 ZLRCK O Audio serial output LR clock Left channel Right channel 16 ZSRDATA O Audio serial output data 17 YFLAG I Signal processor IC RAM overflow flag Overflow 18 YFCLK I Crystal-controlled frame clock 19 YBLKCK I Subcode block clock signal 20 NRESET I System reset pin Reset 21 ZSENSE O Microcontroller interface status output 22 VDD1 - VDD supply pin 23 YDMUTE I Forced mute pin Mute 24 YMLD I Microcontroller interface latch clock 25 YMDATA I Microcontroller interface serial data 26 YMCLK I Microcontroller interface shift clock 27 NTEST4 Ip Test pin Test 28 NCAS2 O DRAM CAS control 29 D2 I/O DRAM data input/output 2 30 D3 I/O DRAM data input/output 3 31 D0 I/O DRAM data input/output 0 32 D1 I/O DRAM data input/output 1 33 NWE O DRAM WE control 34 NRAS O DRAM RAS control 35 NTEST4 Ip Test pin Test 36 A8 O DRAM address 8 37 A7 O DRAM address 7 38 A6 O DRAM address 6 39 A5 O DRAM address 5 40 A4 O DRAM address 4 41 A0 O DRAM address 0 42 A1 O DRAM address 1 43 A2 O DRAM address 2 44 A3 O DRAM address 3 Ip : Input pin with pull-up resistor Ip/O : Input/Output pin (With pull-up resistor when a input mode) And in case that only internal 1M DRAM is used, 28, 33, 34, 36 to 44 pin are high impedance, and 29 to 32 pin are input pull up mode. Pin description |
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