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SST89V52RD2-33-I-PJ Datasheet(PDF) 18 Page - Silicon Storage Technology, Inc |
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SST89V52RD2-33-I-PJ Datasheet(HTML) 18 Page - Silicon Storage Technology, Inc |
18 / 91 page 18 Preliminary Specifications FlashFlex51 MCU SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2 SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2 ©2004 Silicon Storage Technology, Inc. S71255-00-000 3/04 TABLE 3-7: CPU RELATED SFRS Symbol Description Direct Address Bit Address, Symbol, or Alternative Port Function Reset Value MSB LSB ACC1 Accumulator E0H ACC[7:0] 00H B1 B Register F0H B[7:0] 00H PSW1 Program Status Word D0H CY AC F0 RS1 RS0 OV F1 P 00H SP Stack Pointer 81H SP[7:0] 07H DPL Data Pointer Low 82H DPL[7:0] 00H DPH Data Pointer High 83H DPH[7:0] 00H IE1 Interrupt Enable A8H EA EC ET2 ES ET1 EX1 ET0 EX0 00H IEA1 Interrupt Enable A E8H - - - - EBO - - - xxxx0xxxb IP1 Interrupt Priority Reg B8H - PPC PT2 PS PT1 PX1 PT0 PX0 x0000000b IPH Interrupt Priority Reg High B7H - PPCH PT2H PSH PT1H PX1H PT0H PX0H x0000000b IP11 Interrupt Priority Reg A F8H - - - - PBO - - - xxxx0xxxb IP1H Interrupt Priority Reg A High F7H - - - - PBOH - - - xxxx0xxxb PCON Power Control 87H SMOD1 SMOD0 BOF POF GF1 GF0 PD IDL 00010000b AUXR Auxiliary Reg 8EH - - - - - - EXTRAM AO xxxxxxx00b AUXR1 Auxiliary Reg 1 A2H - - - - GF2 0 - DPS xxxx00x0b XICON External Interrupt Control AEH 0 EX3 IE3 IT3 0 EX2 IE2 IT2 00H T3-7.0 1255 1. Bit Addressable SFRs TABLE 3-8: FLASH MEMORY PROGRAMMING SFRS Symbol Description Direct Address Bit Address, Symbol, or Alternative Port Function Reset Value MSB LSB SFCF SuperFlash Configuration B1H - IAPEN - - - - SWR BSEL x0xxxx00b SFCM SuperFlash Command B2H FIE FCM[6:0] 00H SFAL SuperFlash Address Low B3H SuperFlash Low Order Byte Address Register - A7 to A0 (SFAL) 00H SFAH SuperFlash Address High B4H SuperFlash High Order Byte Address Register - A15 to A8 (SFAH) 00H SFDT SuperFlash Data B5H SuperFlash Data Register 00H SFST SuperFlash Status B6H SB1_i SB2_i SB3_i - EDC_i FLASH_BUSY - - 000x00xxb T3-8.0 1255 |
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