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SE370C792FZT Datasheet(PDF) 10 Page - Texas Instruments |
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SE370C792FZT Datasheet(HTML) 10 Page - Texas Instruments |
10 / 55 page TMS370Cx9x 8-BIT MICROCONTROLLER SPNS036B – JANUARY 1996 – REVISED FEBRUARY 1997 10 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 peripheral file (PF) (continued) Table 4. TMS370Cx9x Peripheral File Address Map ADDRESS RANGE PERIPHERAL FILE DESIGNATOR DESCRIPTION 1000h – 100Fh P000 – P00F Reserved 1010h – 101Fh P010 – P01F System and EEPROM/EPROM control registers 1020h – 103Fh P020 – P03F Digital I/O port control registers 1030h – 103Fh P030 – P03F Reserved 1040h – 104Fh P040 – P04F Timer 1 registers 1050h – 106Fh P050 – P06F Reserved 1070h – 107Fh P070 – P07F Analog-to-digital converter 3 registers 1080h – 10FFh P080 – P0FF Reserved data EEPROM The TMS370Cx9x devices contain 256 bytes of data EEPROM and have a memory map beginning at location 1F00h and continuing through location 1FFFh. Writing to the data EEPROM module is controlled by the data EEPROM control register (DEECTL) and the write-protection register (WPR). Programming algorithm examples are available in the TMS370 Family User’s Guide (literature number SPNU127), or the TMS370 Family Data Manual (literature number SPNS014B). The data EEPROM features include the following: D Programming: – Bit, byte, and block write/erase modes – Internal charge pump circuitry: No external EEPROM programming voltage supply is needed. – Control register: Data EEPROM programming is controlled by the data EEPROM control register (DEECTL) located in the PF frame beginning at location P01A. – In-circuit programming capability: There is no need to remove the device to program. D Write-protection: Writes to the data EEPROM are disabled during the following conditions: – Reset: All programming of the data EEPROM module is halted. – Write protection active: there is one write-protect bit per 32-byte EEPROM block. – Low-power mode operation D Write protection can be overridden by applying 12 V to the MC pin. Table 5 shows the memory map of the control registers. Table 5. Data EEPROM and Program EPROM Control Registers Memory Map ADDRESS SYMBOL NAME 101Ah (P01A) DEECTL Data EEPROM control register 101Bh (P01B) — Reserved 101Ch (P01C) EPCTL Program EPROM control register |
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