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HC705JJ7GRS/D 数据表(PDF) 34 Page - NXP Semiconductors |
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HC705JJ7GRS/D 数据表(HTML) 34 Page - NXP Semiconductors |
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34 / 230 page  Memory General Release Specification MC68HC705JJ7/MC68HC705JP7 — Rev. 3.0 Memory * Features related to port C are only available on the 28-pin MC68HC705JP7 devices. Addr. Register R/W Bit 7 6 5 4321 Bit 0 $0000 Port A Data, PORTA Read: 0 0 PA5 PA4 PA3 PA2 PA1 PA0 Write: $0001 Port B Data, PORTB Read: PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 Write: $0002 * Port C Data, PORTC Read: PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 Write: $0003 Analog MUX Register, AMUX Read: HOLD DHOLD INV VREF MUX4 MUX3 MUX2 MUX1 Write: $0004 Port A Data Direction, DDRA Read: 0 0 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0 Write: $0005 Port B Data Direction, DDRB Read: DDRB7 DDRB6 DDRB5 DDRB4 DDRB3 DDRB2 DDRB1 DDRB0 Write: $0006 * Port C Data Direction, DDRC Read: DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0 Write: $0007 Unimplemented Read: Write: $0008 CTimer Status/Control, CTSCR Read: CTOF RTIF CTOFE RTIE 00 RT1 RT0 Write: CTOFR RTIFR $0009 CTimer Counter, CTCR Read: BIT7 6 5 4321 BIT0 Write: $000A Serial Control, SCR Read: SPIE SPE LSBF MSTR 0 CPHA SPR1 SPR0 Write: SPIR $000B Serial Status, SSR Read: SPIF DCOL 0 00000 Write: $000C Serial Data, SDR Read: BIT7 6 5 4321 BIT0 Write: $000D IRQ Status & Control, ISCR Read: IRQE OM2 OM1 0 IRQF 0 0 0 Write: R IRQR $000E PEPROM Bit Select, PEBSR Read: PEB7 PEB6 PEB5 PEB4 PEB3 PEB2 PEB1 PEB0 Write: $000F PEPROM Status/Control, PESCR Read: PEDATA 0 PEPGM 0000 PEPZRF Write: RRR = Unimplemented R = Reserved Figure 2-3. I/O Registers $0000–$000F Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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