View es3880 3883 datasheet:

8-4 8-4 ES3880 VIDEO CD PROCESSOR CHIP VISBA VIDEO PC PROCESSOR CHIP PIN DESCRIPTION Name Number I/O Definition VDD 1, 31, 51 I Voltage supply for 3.3 V. 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 RAS# 2 O DRAM row address strobe (active low). VPP 81 50 VSS LA12 82 49 AUX4 DWE# 3 O DRAM write enable (active low). LA13 83 48 AUX3 DA[8:0] 12:4 O DRAM multiplexed row and column address bus. LA14 84 47 AUX2 DBUS[15:0] 28:13 I/O DRAM data bus. LA15 85 46 AUX1 RESET# 29 I System reset (active low). LA16 86 45 AUX0 VSS 30, 50, 80, 100 I Ground. LA17 87 44 PCLK ACLK 88 ESS 43 PCLK2X YUV[7:0] 39:32 O Y is luminance, UV are chrominance data bus for screen video interface. YUV[7:0] for 8- bit YUV mode. AOUT/SEL_PLL0 89 42 CPUCLK A