Rainbow Electronics Atmega169L - Manual (Page 270)

270
ATmega169V/L
2514A–AVR–08/02
Serial Programming Pin
Mapping
Table 124. Command Byte Bit Coding
Command Byte Command Executed
1000 0000 Chip Erase
0100 0000 Write Fuse bits
0010 0000 Write Lock bits
0001 0000 Write Flash
0001 0001 Write EEPROM
0000 1000 Read Signature Bytes and Calibration byte
0000 0100 Read Fuse and Lock bits
0000 0010 Read Flash
0000 0011 Read EEPROM
Table 125. No. of Words in a Page and No. of Pages in the Flash
Flash Size Page Size PCWORD No. of Pages PCPAGE PCMSB
8K words (16K bytes) 64 words PC[5:0] 128 PC[12:6] 12
Table 126. No. of Words in a Page and No. of Pages in the EEPROM
EEPROM Size Page Size PCWORD No. of Pages PCPAGE EEAMSB
512 bytes 4 bytes EEA[1:0] 128 EEA[8:2] 8
Table 127. Pin Mapping Serial Programming
Symbol Pins I/O Description
MOSI PB2 I Serial Data in
MISO PB3 O Serial Data out
SCK PB1 I Serial Clock