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MC68HC705MC4MP bảng dữ liệu(PDF) 31 Page - Freescale Semiconductor, Inc |
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MC68HC705MC4MP bảng dữ liệu(HTML) 31 Page - Freescale Semiconductor, Inc |
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31 / 180 page ![]() Memory I/O and Control Registers General Release Specification Memory Addr. Register Name Bit 7 6 5 4 3 2 1 Bit 0 $0000 Port A Data Register Read: PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 Write: $0001 Port B Data Register Read: PB7 PB6 PB5 PB4 Write: $0002 Port C Data Register Read: PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 Write: $0003 Port D Data Register Read: PD7 PD6 Write: $0004 Port A Data Direction Register Read: DDRA7 DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0 Write: $0005 Port B Data Direction Register Read: DDRB7 DDRB6 DDRB5 DDRB4 Write: $0006 Port C Data Direction Register Read: DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0 Write: $0007 Port D Data Direction Register Read: DDRD6 Write: $0008 Core Timer Control & Status Register Read: CTOF RTIF CTOIE RTIE 00 RT1 RT0 Write: $0009 Core Timer Counter Register Read: CTCR7 CTCR6 CTCR5 CTCR4 CTCR3 CTCR2 CTCR1 CTCR0 Write: $000A SCI Baud Rate Register Read: 0 0 SCP1 SCP0 0 SCR2 SCR1 SCR0 Write: $000B SCI Control Register 1 Read: R8 0 M WAKE 000 Write: T8 $000C SCI Control Register 2 Read: TIE TCIE RIE ILIE TE RE RWU SBK Write: $000D SCI Status Register Read: TDRE TC RDRF IDLE OR NF FE 0 Write: $000E SCI Data Register Read: BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 Write: $000F IRQ Status and Control Register Read: IRQM IRQS EDGE 0 REQ 0 0 0 Write: ACK = Unimplemented Figure 2-3. I/O and Control Registers $0000–$000F Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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