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TMS370C090A Datasheet(PDF) 6 Page - Texas Instruments |
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TMS370C090A Datasheet(HTML) 6 Page - Texas Instruments |
6 / 54 page TMS370Cx9x 8-BIT MICROCONTROLLER SPNS036B – JANUARY 1996 – REVISED FEBRUARY 1997 6 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 CPU (continued) 0000h 0080h 1000h 107Fh 1EFFh 1F00h Interrupts and Reset Vectors; Trap Vectors FFFFh 0 RAM (Includes 128-Byte Registers File) 0 15 Program Counter 7 Legend: Z=Zero IE1=Level1 interrupts Enable C=Carry V=Overflow N=Negative IE2=Level2 interrupts Enable IE1 IE2 Z N C 0 1 2 3 4 5 6 7 V Status Register (ST) Stack Pointer (SP) R0(A) R1(B) R3 R63 0000h 0001h 0002h 003Fh R127 0003h R2 007Fh Reserved† 8K-Byte EPROM (6000h – 7FFFh) 1FFFh 7FC0h 8000h Peripheral File 256-Byte Data EEPROM Reserved† Not Available‡ 007Fh 128-Byte RAM (0000h – 007Fh) 0FFFh 1080h Not Available‡ 4K-Byte ROM (7000h – 7FFFh) 2000h 5FFFh 6000h 6FFFh 7000h 7FBFh 7FFFh † Reserved means that the address space is reserved for future expansion. ‡ Not available means that the address space is not accessible. Figure 1. Programmer’s Model |
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