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R8C/2G 数据表(PDF) 108 Page - Renesas Technology Corp |
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R8C/2G 数据表(HTML) 108 Page - Renesas Technology Corp |
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108 / 344 page ![]() R8C/2G Group 11. Clock Generation Circuit Rev.1.00 Apr 04, 2008 Page 88 of 318 REJ09B0387-0100 Figure 11.1 Clock Generation Circuit Divider S Q R 1/2 1/2 1/2 1/2 1/2 S Q R HRA00 High-speed on-chip oscillator HRA01 = 1 HRA01 = 0 CM14 CPU clock a b c d e OCD2 = 0 OCD2 = 1 CM02 WAIT instruction RESET CM10 = 1 (stop mode) a d c h b CM06 = 0 CM17 to CM16 = 11b CM06 = 1 CM06 = 0 CM17 to CM16 = 10b CM06 = 0 CM17 to CM16 = 01b CM06 = 0 CM17 to CM16 = 00b Detail of divider e g UART0 Timer RE Timer RB Timer RA fOCO fOCO-S g f1 f2 f4 f8 f32 INT0 Watchdog timer System clock HRA2 register Frequency adjustable UART2 On-chip oscillator clock fOCO-F XCOUT Power-on reset circuit Voltage detection circuit Power-on reset Software reset Interrupt request CM04 XCIN clock Low-speed on-chip oscillator CM02, CM04, CM06: Bits in CM0 register CM10, CM14, CM16, CM17: Bits in CM1 register OCD2: Bits in OCD register HRA00, HRA01: Bits in HRA0 register Stop signal fC4 fC32 fC 1/8 1/4 Timer RF HRA1 register XCIN Clock prescaler |
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