전자부품 데이터시트 검색엔진 |
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Z8F3222AR020SC 데이터시트(PDF) 62 Page - Zilog, Inc. |
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Z8F3222AR020SC 데이터시트(HTML) 62 Page - Zilog, Inc. |
62 / 299 page PS019915-1005 Control Register Summary Z8 Encore!® 64K Series Z8 Encore! 42 Flash Status FSTAT (FF8H - Read Only) D7 D6 D5 D4 D3 D2 D1 D0 Flash Controller Status 00_0000 = Flash controller locked 00_0001 = First unlock received 00_0010 = Second unlock received 00_0011 = Flash controller unlocked 00_0100 = Flash Sector Protect register selected 00_1xxx = Programming in progress 01_0xxx = Page erase in progress 10_0xxx = Mass erase in progress Reserved Page Select FPS (FF9H - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Page Select [6:0] Identifies the Flash memory page for Page Erase operation. Information Area Enable 0 = Information Area access is disabled 1 = Information Area access is enabled Flash Sector Protect FPROT (FF9H - Read/Write to 1’s) D7 D6 D5 D4 D3 D2 D1 D0 Flash Sector Protect [7:0] 0 = Sector can be programmed or erased from user code 1 = Sector is protected and cannot be programmed or erased from user code Flash Frequency High Byte FFREQH (FFAH - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Flash Frequency value [15:8] Flash Frequency Low Byte FFREQL (FFBH - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Flash Frequency value [7:0] Flags FLAGS (FFC - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 F1 - User Flag 1 F2 - User Flag 2 H - Half Carry D - Decimal Adjust V - Overflow Flag S - Sign Flag Z - Zero Flag C - Carry Flag Register Pointer RP (FFDH - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Working Register Page Address [11:8] Working Register Group Address [7:4] Stack Pointer High Byte SPH (FFEH - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Stack Pointer [15:8] Stack Pointer Low Byte SPL (FFFH - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Stack Pointer [7:0] |
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