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TMS370 Datasheet(PDF) 12 Page - Texas Instruments |
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TMS370 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 73 page  TMS370Cx6x 8-BIT MICROCONTROLLER SPNS033C – SEPTEMBER 1995 – REVISED FEBRUARY 1997 12 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 memory map (continued) Memory Expansion 48K-Byte ROM / EPROM (2000h–DFFFh) Interrupts and Reset Vectors; Trap Vectors Peripheral File Control Registers 1000h–100Fh Reserved Reserved† 1F00h 24K-Byte ROM (2000h–7FFFh) 256-Byte Data EEPROM (1F00h–1FFFh) Peripheral Expansion Peripheral File 3.5K-Byte RAM (0000h–0DFFh) 1K-Byte RAM (0000h–03FFh) 0000h 0400h 10C0h 1100h 2000h 7FBEh 8000h A000h E000h FFFFh Microprocessor Mode¶ Microprocessor With Internal Program Memory Microcomputer Mode With External Expansion ’X67 Microcomputer Single Chip Mode FFFFh E000h A000h 8000h 1F00h 10C0h 1000h 0E00h 0400h 0000h ’X68 ’X69 Not Available‡ (N / A) Not Available‡ Reserved† On-Chip For TMS370Cx69 Devices On-Chip For TMS370Cx68 Devices On-Chip For TMS370Cx67 Devices 2000h 1100h Reserved† ’X67 ’X68 ’X69 External§ Reserved† External§ N/ A‡ Reserved† ’X67 ’X68 ’X69 External§ Reserved† External§ N/ A‡ Reserved† ’X67 ’X68 ’X69 External§ Reserved† External§ Reserved 0E00h 1000h Reserved 1010h–101Fh System Control 1020h–102Fh Digital Port Control 1030h–103Fh SPI Peripheral Control 32K-Byte ROM / EPROM (2000h–9FFFh) 1040h–104Fh Timer 1 Peripheral Contr. 1050h–105Fh SCI1 Peripheral Contr. 1060h–106Fh Timer 2A Peripheral Contr. 1070h–107Fh ADC1 Peripheral Contr. 1080h–108Fh Timer 2B Periph. Contr. 1090h–109Fh Reserved Vectors 7FBEh–7FBFh Timer 2B 7FC0h–7FCFh Trap 15 – 0 7FE0h–7FEBh Reserved 7FECh–7FEDh A / D Converter 7FEEh–7FEFh Timer 2A 7FF0h–7FF1h Serial Comm I / F TX 7FF2h–7FF3h Serial Comm I / F RX 7FF4h–7FF5h Timer 1 7FF6h–7FF7h Serial Peripferal I / F 7FF8h–7FF9h Interrupt 3 7FFAh–7FFBh Interrupt 2 7FFCh–7FFDh Interrupt 1 7FFEh–7FFFh Reset † Reserved = the address space is reserved for future expansion. ‡ Not available (N /A) = address space is unavailable in the mode illustrated. § Precoded chip select outputs available on external expansion bus. ¶ Microprocessor mode is designed for ROM-less devices. ROM and EPROM devices also can be used in this mode, but all on-chip memory is ignored. Figure 3. TMS370Cx6x Memory Map |
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