Parallel Programming Characteristics - Atmel ATmega32M1 Manual

26.9

Parallel Programming Characteristics

Atmel ATmega16/32/64/M1/C1
324
Figure 26-5. Parallel Programming Timing, Including some General Timing Requirements
XTAL1
Data & Contol
(DATA, XA0/1, BS1, BS2)
PAGEL
WR
RDY/BSY
Figure 26-6. Parallel Programming Timing, Loading Sequence with Timing Requirements
LOAD ADDRESS
(LOW BYTE)
XTAL1
BS1
PAGEL
DATA ADDR0 (Low Byte)
XA0
XA1
Note: 1. The timing requirements shown in
ing operation.
t
XLWL
t
XHXL
t
t
DVXH
XLDX
t t t
BVPH PLBX
t
PHPL
t
PLWL
LOAD DATA LOAD DATA
(LOW BYTE) (HIGH BYTE)
t
XLXH
DATA (Low Byte)
Figure 25-7 (i.e., t
BVWL
t
WLBX
t
WLWH
WLRL
LOAD DATA
LOAD ADDRESS
t
XLPH
t
PLXH
DATA (High Byte)
, t , and t ) also apply to load-
DVXH XHXL XLDX
t
WLRH
(1)
(LOW BYTE)
ADDR1 (Low Byte)
7647H–AVR–03/12