Samsung SF3000 Service Manual

Also see for SF3000: Operator's guide

Contents

Pin No. KS32C6500 ATLAS used pin Pin Description90 A9 A991 A10 A1092 GND5 GND593 A11 A1194 A12 A1295 A13 A1396 A14 A1497 A15 A1598 A16 A1699 A17 A17100 A18 A18101 A19 A19102 A20 A20103 A21 A21104 VDD4 VDD4105 _RCS0 _RCS0 PROGRAM ROM CHIP SELECT106 _RCS1 NOT-USED FONT ROM CHIP SELECT107 _RCS2 _RCS2 SRAM CHIP SELECT108 _RAS0 _RAS0 DRAM ROW ADDRESS STROBE (DEFAULT)109 _RAS1 NOT-USED DRAM ROW ADDRESS STROBE (OPTION)110 _CAS0 _CAS0 DRAM LOWER COLUMN ADDRESS STROBE111 _CAS1 _CAS1 DRAM UPPER COLUMN ADDRESS STROBE112 _OE _OE MEMORY OUTPUT ENABLE113 _WE _WE MEMORY WRITE ENABLE114 GND6 GND6115 _WBE0 _WBE0 WRITE BYTE ENABLE116 _WBE1 NOT-USED WRITE BYTE ENABLE117 _ECS0 _ECS0 MODEM CHIP SELECT118 _ECS1 _ECS1 DSP CHIP SELECT119 _ECS2 _ECS2 SDIP4 CHIP SELECT120 _ECS3 NOT-USED121 GOP0 GOP0 LIU TXD122 GIP0 GIP0 LIU RXD123 GOP1 GOP1 OPE TXD124 GIP1 GIP1 OPE RXD125 TEST1 TEST1 NORMAL MODE: GND126 TEST2 TEST2 DEBUG MODE: VCC127 CHIP5 CHIP5 HEAD CHECK128 CLKSEL CLKSEL MASTER CLK SELECT: H129 _RESET _RESET SYSTEM RESET130 GND7 GND7131 MCLK MCLK MASTER CLK (30MHZ)132 GND8 GND8133 GOP5 GOP5 RX CONTROL134 VDD5 VDD5135 GIP2 GIP2 _MODEM INTERRUPT REQUEST5-8 Samsung ElectronicsCircuit Description