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ST72T331 Datasheet(PDF) 11 Page - STMicroelectronics |
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ST72T331 Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 107 page 11/107 ST72E331 ST72T331 1.4 MEMORY MAP Figure 7. Program Memory Map Table 3. Interrupt Vector Map Vector Address Description Remarks FFE0-FFE1h FFE2-FFE3h FFE4-FFE5h FFE6-FFE7h FFE8-FFE9h FFEA-FFEBh FFEC-FFEDh FFEE-FFEFh FFF0-FFF1h FFF2-FFF3h FFF4-FFF5h FFF6-FFF7h FFF8-FFF9h FFFA-FFFBh FFFC-FFFDh FFFE-FFFFh Not Used Not Used EEPROM Interrupt Vector SCI Interrupt Vector TIMER B Interrupt Vector TIMER A Interrupt Vector SPI interrupt vector Not Used External Interrupt Vector EI3 External Interrupt Vector EI2 External Interrupt Vector EI1 External Interrupt Vector EI0 Not Used Not Used TRAP (software) Interrupt Vector RESET Vector Internal Interrupt Internal Interrupt Internal Interrupt Internal Interrupt Internal Interrupt External Interrupt External Interrupt External Interrupt External Interrupt CPU Interrupt 0000h Interrupt & Reset Vectors HW Registers 027Fh 0080h Short Addressing RAM (zero page) 16-bit Addressing RAM 007Fh 0200h / 0280h 0BFFh Reserved 0080h (see Table 4) 0C00h FFDFh FFE0h FFFFh (see Table 3) 027Fh C000h Reserved EEPROM 256 Bytes 0CFFh 0D00h BFFFh 00FFh 0100h 01FFh 0200h 8K Bytes E000h 16K Bytes Program Short Addressing RAM (zero page) 0080h 00FFh 01FFh 01FFh 384 Bytes RAM 512 Bytes RAM 256 Bytes Stack/ 16-bit Addressing RAM 256 Bytes Stack/ 16-bit Addressing RAM 0100h Memory Program Memory 11 |
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