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HD6475348SF Datasheet(PDF) 9 Page - Hitachi Semiconductor |
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HD6475348SF Datasheet(HTML) 9 Page - Hitachi Semiconductor |
9 / 487 page Section 13 Watchdog Timer 13.1 Overview ····························································································································241 13.1.1 Features ···················································································································241 13.1.2 Block Diagram ········································································································242 13.1.3 Register Configuration ····························································································242 13.2 Register Descriptions ·········································································································243 13.2.1 Timer Counter TCNT—H'FEEC (Write), H'FEED (Read) ····································243 13.2.2 Timer Control/Status Register (TCSR)—H'FEEC ·················································243 13.2.3 Reset Control/Status Register (RSTCSR)—H'FF14 (Write), H'FF15 (Read) ········245 13.2.4 Notes on Register Access ························································································246 13.3 Operation ····························································································································248 13.3.1 Watchdog Timer Mode ···························································································248 13.3.2 Interval Timer Mode ·······························································································249 13.3.3 Operation in Software Standby Mode ·····································································250 13.3.4 Setting of Overflow Flag ························································································250 13.3.5 Setting of Watchdog Timer Reset (WRST) Bit ·······················································251 13.4 Application Notes ··············································································································252 Section 14 Serial Communication Interface 14.1 Overview ····························································································································255 14.1.1 Features ···················································································································255 14.1.2 Block Diagram ········································································································256 14.1.3 Input and Output Pins ·····························································································257 14.1.4 Register Configuration ····························································································257 14.2 Register Descriptions ·········································································································258 14.2.1 Receive Shift Register (RSR) ·················································································258 14.2.2 Receive Data Register (RDR)—H'FEDD, H'FEF5 ················································258 14.2.3 Transmit Shift Register (TSR) ················································································258 14.2.4 Transmit Data Register (TDR)—H'FEDB, H'FEF3 ···············································259 14.2.5 Serial Mode Register (SMR)—H'FED8, H'FEF0 ···················································259 14.2.6 Serial Control Register (SCR)—H'FEDA, H'FEF2 ················································261 14.2.7 Serial Status Register (SSR)—H'FEDC, H'FEF4 ···················································263 14.2.8 Bit Rate Register (BRR)—H'FED9, H'FEF1 ··························································265 14.3 Operation ····························································································································270 14.3.1 Overview ·················································································································270 14.3.2 Asynchronous Mode ·······························································································271 14.3.3 Synchronous Mode ·································································································275 14.4 CPU Interrupts and DTC Interrupts ···················································································279 14.5 Application Notes ··············································································································280 |
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