Rainbow-electronics AT89LP214 Manual do Utilizador Página 69

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69
3538A–MICRO–7/06
AT89LP213/214 [Preliminary]
Notes: 1. Program Enable must be the first command issued after entering into programming mode.
2. Any number of Data bytes from 1 to 32 may be written/read. The internal address is incremented between each byte.
3. Each byte address selects one fuse or lock bit. Data bytes must be 00h or FFh.
4. See Table 23-5 on page 71 for Fuse definitions.
5. See Table 23-4 on page 70 for Lock Bit definitions.
6. Atmel Signature Bytes:
7. Symbol Key:
Table 23-2. Programming Command Summary
Command Opcode Addr High Addr Low Data 0 Data n
Program Enable
(1)
1010 1100 0101 0011
Chip Erase 10001010––––
Read Status 0110 0000 xxxx xxxx xxxx xxxx Status Out
Load Page Buffer
(2)
0101 0001 xxxx xxxx xxxb bbbb DataIn 0 ... DataIn n
Write Code Page
(2)
0101 0000 xxxx xaaa aaab bbbb DataIn 0 ... DataIn n
Write Code Page with Auto-Erase
(2)
0111 0000 xxxx xaaa aaab bbbb DataIn 0 ... DataIn n
Read Code Page
(2)
0011 0000 xxxx xaaa aaab bbbb DataOut 0 ... DataOut n
Write User Fuses
(2)(3)(4)
1110 0001 0000 0000 000b bbbb DataIn 0 ... DataIn n
Write User Fuses with Auto-Erase
(2)(3)(4)
1111 0001 0000 0000 000b bbbb DataIn 0 ... DataIn n
Read User Fuses
(2)(3)(4)
0110 0001 0000 0000 000b bbbb DataOut 0 ... DataOut n
Write Lock Bits
(2)(3)(5)
1110 0100 0000 0000 000b bbbb DataIn 0 ... DataIn n
Read Lock Bits
(2)(3)(5)
0110 0100 0000 0000 000b bbbb DataOut 0 ... DataOut n
Write User Signature Page
(2)
0101 0010 xxxx xxxx xaab bbbb DataIn 0 ... DataIn n
Write User Signature Page with Auto-Erase
(2)
0111 0010 xxxx xxxx xaab bbbb DataIn 0 ... DataIn n
Read User Signature Page
(2)
0011 0010 xxxx xxxx xaab bbbb DataOut 0 ... DataOut n
Read Atmel Signature Page
(2)(6)
0011 1000 xxxx xxxx xxxb bbbb DataOut 0 ... DataOut n
AT89LP213: Address 00H = 1EH
01H = 27H
02H = FFH
AT89LP214: Address 00H = 1EH
01H = 28H
02H = FFH
a: Page Address Bit
b: Byte Address Bit
x: Don’t Care Bit
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