Rainbow-electronics ATtiny861_V Manuel d'utilisateur télécharger pdf (Page 191)

191

2588B–AVR–11/06

ATtiny261/461/861

23.7 Parallel Programming Characteristics

Figure 23-4. Parallel Programming Timing, Including some General Timing Requirements

Figure 23-5. Parallel Programming Timing, Loading Sequence with Timing Requirements

(1)

Note: 1. The timing requirements shown in Figure 23-4 (i.e., t

DVXH

, t

XHXL

, and t

XLDX

) also apply to load-

ing operation.

Data & Contol

(DATA, XA0, XA1/BS2, PAGEL/BS1)

XTAL1

XHXL

WLWH

DVXH

XLDX

PLWL

WLRH

RDY/BSY

PLBX

BVPH

XLWL

WLBX

BVWL

WLRL

XTAL1

XLXH

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

DATA

PAGEL/BS1

XA0

XA1/BS2

LOAD ADDRESS

(LOW BYTE)

LOAD DATA

(LOW BYTE)

LOAD DATA

(HIGH BYTE)

LOAD ADDRESS

(LOW BYTE)

1 2 ... 186 187 188 189 190 191 192 193 194 195 196 ... 235 236

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