AT90PWM2B-16SU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT90PWM2B-16SU

8-bit Atmel Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

26.9 Parallel Programming Characteristics

AT90PWM2/3/2B/3B

Figure 26-5. Parallel Programming Timing, Including some General Timing Requirements

XTAL1

Data & Contol

(DATA, XA0/1, BS1, BS2)

PAGEL

WR

RDY/BSY

tDVXH

tXHXL

tXLWL

tXLDX

tBVPH

tPHPL

tPLBX t BVWL

tPLWL

tWLWH

WLRL

tWLBX

tWLRH

Figure 26-6. Parallel Programming Timing, Loading Sequence with Timing Requirements(1)

XTAL1

LOAD ADDRESS

(LOW BYTE)

LOAD DATA

(LOW BYTE)

t XLXH

LOAD DATA LOAD DATA

(HIGH BYTE)

tXLPH

tPLXH

LOAD ADDRESS

(LOW BYTE)

BS1

PAGEL

DATA

ADDR0 (Low Byte)

DATA (Low Byte)

DATA (High Byte)

ADDR1 (Low Byte)

XA0

XA1

Note: 1. The timing requirements shown in Figure 26-5 (i.e., tDVXH, tXHXL, and tXLDX) also apply to load-

ing operation.

4317K–AVR–03/2013

309

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