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SST89E554RC-33-C-PJ Datasheet(PDF) 40 Page - Silicon Storage Technology, Inc |
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SST89E554RC-33-C-PJ Datasheet(HTML) 40 Page - Silicon Storage Technology, Inc |
40 / 86 page 40 Data Sheet FlashFlex51 MCU SST89E564RD / SST89V564RD / SST89E554RC / SST89V554RC ©2003 Silicon Storage Technology, Inc. S71207-04-000 12/03 Note: DISIAPL pin in PLCC or TQFP will also disable IAP commands if it is externally pulled low when reset. Note: DISIAPL pin in PLCC or TQFP will also disable IAP commands if it is externally pulled low when reset. TABLE 4-6: IAP COMMANDS1 FOR SST89E/V564RD Operation SFCM [6:0]2 SFDT [7:0] SFAH [7:0] SFAL [7:0] Chip-Erase3 01H 55H X4 X Block-Erase5 0DH 55H AH X Sector-Erase5 0BH X AH6 AL7 Byte-Program5 0EH DI8 AH AL Byte-Verify (Read)5 0CH DO8 AH AL Prog-SB19 0FH AAH X X Prog-SB29 03H AAH X X Prog-SB39 05H AAH X X Prog-SC09 09H AAH 5AH X Enable-Clock-Double9 08H AAH 55H X T4-6.4 1207 1. SFCF[6]=1 enables IAP commands; SFCF[6]=0 disables IAP commands. 2. Interrupt/Polling enable for flash operation completion SFCM[7] = 1: Interrupt enable for flash operation completion 0: polling enable for flash operation completion 3. Chip-Erase only functions in IAP mode when EA#=0 (external memory execution) and device is not in level 4 locking. 4. X can be VIL or VIH, but no other value. 5. Refer to Table 4-5 for address resolution 6. AH = Address high order byte 7. AL = Address low order byte 8. DI = Data Input, DO = Data Output, all other values are in hex. 9. Instruction must be located in Block 1 or external code memory. TABLE 4-7: IAP COMMANDS1 FOR SST89E/V554RC 1. SFCF[6]=1 enables IAP commands; SFCF[6]=0 disables IAP commands. Operation SFCM [6:0]2 2. Interrupt/Polling enable for flash operation completion SFCM[7] = 1: Interrupt enable for flash operation completion 0: polling enable for flash operation completion SFDT [7:0] SFAH [7:0] SFAL [7:0] Chip-Erase3 3. Chip-Erase only functions in IAP mode when EA#=0 (external memory execution) and device is not in level 4 locking. 01H 55H X4 4. X can be VIL or VIH, but no other value. X Block-Erase 0DH 55H AH5 5. AH = Address high order byte X Sector-Erase 0BH X AH AL6 6. AL = Address low order byte Byte-Program 0EH DI7 7. DI = Data Input, DO = Data Output, all other values are in hex. AH AL Byte-Verify (Read)8 8. SFAH[7:5] = 111b selects Block 1, SFAH[7] = 0b selects Block 0 0CH DO7 AH AL Prog-SB19 9. Instruction must be located in Block 1 or external code memory. 0FH AAH X X Prog-SB29 03H AAH X X Prog-SB39 05H AAH X X Prog-SC09 09H AAH 5AH X Prog-SC19 09H AAH AAH X Enable-Clock-Double9 08H AAH 55H X T4-7.2 1207 |
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