Rainbow-electronics ATmega32L Manuel d'utilisateur télécharger pdf (Page 266)

100

101

266

ATmega32(L)

2503C–AVR–10/02

Parallel Programming

Characteristics

Figure 133. Parallel Programming Timing, Including some General Timing

Requirements

Figure 134. Parallel Programming Timing, Loading Sequence with Timing

Requirements

(1)

Note: 1. The timing requirements shown in Figure 133 (i.e., t

DVXH

, t

XHXL

, and t

XLDX

) also apply

to loading operation.

Data & Contol

(DATA, XA0/1, BS1, BS2)

XTAL1

XHXL

WL WH

DVXH

XLDX

PLWL

WLRH

RDY/BSY

PAGEL

PHPL

PLBX

BVPH

XLWL

WLBX

BVWL

WLRL

XTAL1

PAGEL

PLXH

XLXH

XLPH

ADDR0 (Low Byte) DATA (Low Byte) DATA (High Byte) ADDR1 (Low Byte)

DATA

BS1

XA0

XA1

LOAD ADDRESS

(LOW BYTE)

LOAD DATA

(LOW BYTE)

LOAD DATA

(HIGH BYTE)

LOAD DATA

LOAD ADDRESS

(LOW BYTE)

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