atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 295

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

7647A–AVR–02/08
Table 24-10. XA1 and XA0 Coding
Table 24-11. Command Byte Bit Coding
Table 24-12. No. of Words in a Page and No. of Pages in the Flash
Table 24-13. No. of Words in a Page and No. of Pages in the EEPROM
Device
ATmega32M1/C1
ATmega64M1/C1
Device
ATmega32M1/C1
ATmega64M1/C1
XA1
0
0
1
1
Command Byte
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
XA0
0
1
0
1
1024 bytes
2048 bytes
(32K bytes)
(64K bytes)
EEPROM
Flash Size
16K words
32K words
Size
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by
BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
4 bytes
8 bytes
(128 bytes)
(256 bytes)
Page
Page Size
128 words
Size
64 words
PCWORD
EEA[1:0]
EEA[1:0]
PCWORD
PC[5:0]
PC[5:0]
ATmega32/64/M1/C1
Pages
No. of
256
256
Pages
No. of
256
256
PCPAGE
EEA[9:2]
EEA[9:2]
PCPAGE
PC[13:6]
PC[14:6]
EEAMSB
PCMSB
9
9
13
14
295