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GMS81C2112 Datasheet(PDF) 79 Page - Hynix Semiconductor |
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GMS81C2112 Datasheet(HTML) 79 Page - Hynix Semiconductor |
79 / 107 page ![]() GMS81C2112/GMS81C2120 JUNE. 2001 Ver 1.00 73 17.1 Operating Mode ACTIVE Mode fXI : oscillation cpu : fSYS tmr : fSYS peri : fSYS STANDBY Mode fXI : oscillation cpu : stop tmr : ps11(fXI) peri : stop CKCTLR[10] + STOP TIMER0 EXT_INT RESET RC_WDT STOP Mode fXI : stop cpu : stop tmr : stop peri : stop EXT_INT RESET RC_WDT CKCTLR[00] + STOP System Clock Mode Register SCMR ADDRESS : FAH RESET VALUE : ---00--- - - - CS1 CS0 - - - CS[1:0] Clock selection enable bits 00 : fXI 10 : fXI ÷ 8 01 : fXI ÷ 4 11 : fXI ÷ 32 fSYS : fXI,fXI ÷4,fXI÷8,fXI÷32 cpu : system clock tmr : timer0 clock peri : peripheral clock CKCTLR = CKCTLR[6:5] fXI : Main clock frequency |