Rainbow Electronics AT89LP216 User Manual

Page 69

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69

3621A–MICRO–6/06

AT89LP216 [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

1000 1010

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

AT89LP216:

Address

00H = 1EH

01H = 29H

02H = FFH

a:

Page Address Bit

b:

Byte Address Bit

x:

Don’t Care Bit

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