ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 316

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Programming Command
Register
316
ATmega64(L)
The Programming Command Register is a 15-bit register. This register is used to seri-
ally shift in programming commands, and to serially shift out the result of the previous
command, if any. The JTAG Programming Instruction Set is shown in Table 131. The
state sequence when shifting in the programming commands is illustrated in Figure 152.
Figure 151. Programming Command Register
TDO
TDI
S
T
R
O
B
E
S
A
D
D
R
E
S
S
D
A
T
A
/
EEPROM
Lock Bits
Fuses
Flash
2490G–AVR–03/04