ATmega88PA Automotive Atmel Corporation, ATmega88PA Automotive Datasheet - Page 308

• Manufacturer Part Number: ATmega88PA Automotive
• Manufacturer: Atmel Corporation

28.7.13
28.7.14
28.7.15
308
Atmel ATmega48PA/88PA/168PA [Preliminary]
Reading the Signature Bytes
Reading the Calibration Byte
Parallel Programming Characteristics
Figure 28-6. Mapping Between BS1, BS2 and the Fuse and Lock Bits During Read
The algorithm for reading the Signature bytes is as follows (refer to
on page 302
The algorithm for reading the Calibration byte is as follows (refer to
on page 302
For characteristics of the Parallel Programming, see
on page
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte (0x00 - 0x02).
3. Set OE to “0”, and BS1 to “0”. The selected Signature byte can now be read at DATA.
4. Set OE to “1”.
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte, 0x00.
3. Set OE to “0”, and BS1 to “1”. The Calibration byte can now be read at DATA.
4. Set OE to “1”.
323.
Fuse Low Byte
Extended Fuse Byte
Fuse High Byte
for details on Command and Address loading):
for details on Command and Address loading):
Lock Bits
BS2
BS2
0
1
0
1
“Parallel Programming Characteristics”
BS1
0
1
“Programming the Flash”
“Programming the Flash”
DATA
9223B–AVR–09/11