Rainbow Electronics ATtiny43U - Manual (Page 162)

162
8048B–AVR–03/09
ATtiny43U
20.9 Parallel Programming Characteristics
Figure 20-3. Parallel Programming Timing, Including some General Timing Requirements
Note: The timing requirements in Figure 20-3 (i.e., t
DVXH
, t
XHXL
, and t
XLDX
) also apply to reading operation.
Figure 20-4. Parallel Programming Timing, Reading Sequence (within the Same Page) with Timing Requirements
Data & Contol
(DATA, XA0, XA1/BS2, PAGEL/BS1)
CLKI
t
XHXL
t
WLWH
t
DVXH
t
XLDX
t
PLWL
t
WLRH
WR
RDY/BSY
t
PLBX
t
BVPH
t
XLWL
t
WLBX
t
BVWL
WLRL
CLKI
OE
ADDR0 (Low Byte) DATA (Low Byte) DATA (High Byte) ADDR1 (Low Byte) DATA
PAGEL/BS1
XA0
XA1/BS2
LOAD ADDRESS
(LOW BYTE)
READ DATA
(LOW BYTE)
READ DATA
(HIGH BYTE)
LOAD ADDRESS
(LOW BYTE)
t
BVDV
t
OLDV
t
XLOL
t
OHDZ