attiny261a-xu ATMEL Corporation, attiny261a-xu Datasheet - Page 190

• Manufacturer Part Number: attiny261a-xu
• Description: 8-bit Avr Microcontroller With 2/4/8k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

19.8
Figure 19-5. Parallel Programming Timing, Including some General Timing Requirements
Figure 19-6. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
190
PAGEL/BS1
(DATA, XA0, XA1/BS2, PAGEL/BS1)
XA1/BS2
XTAL1
DATA
XA0
Parallel Programming Characteristics
The timing requirements shown in
ATtiny261A/461A/861A
ADDR0 (Low Byte)
Data & Contol
LOAD ADDRESS
(LOW BYTE)
RDY/BSY
XTAL1
WR
Figure 19-5
t
t
BVPH
DVXH
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
(i.e., t
DVXH
t
XHXL
, t
t
XHXL
XLXH
t
t
t
t
, and t
XLDX
PLBX
XLWL
PLWL
XLDX
(HIGH BYTE)
LOAD DATA
t
BVWL
) also apply to loading operation.
DATA (High Byte)
t
WLWH
WLRL
t
WLBX
LOAD ADDRESS
(LOW BYTE)
ADDR1 (Low Byte)
8197B–AVR–01/10
t
WLRH