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 

4317K–AVR–03/2013

AT90PWM2/3/2B/3B

Figure 26-7. Parallel Programming Timing, Reading Sequence (within the Same Page) with

Timing Requirements(1)

XTAL1

BS1

OE

DATA

LOAD ADDRESS

(LOW BYTE)

tXLOL

tOLDV

ADDR0 (Low Byte)

READ DATA

(LOW BYTE)

READ DATA

(HIGH BYTE)

tBVDV

LOAD ADDRESS

(LOW BYTE)

DATA (Low Byte)

tOHDZ

DATA (High Byte)

ADDR1 (Low Byte)

XA0

XA1

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

reading operation.

Table 26-7.

Symbol

VPP

IPP

tDVXH

tXLXH

tXHXL

tXLDX

tXLWL

tXLPH

tPLXH

tBVPH

tPHPL

tPLBX

tWLBX

tPLWL

tBVWL

tWLWH

tWLRL

tWLRH

tWLRH_CE

Parallel Programming Characteristics, VCC = 5V ± 10%

Parameter

Min. Typ.

Programming Enable Voltage

11.5

Programming Enable Current

Data and Control Valid before XTAL1 High

67

XTAL1 Low to XTAL1 High

200

XTAL1 Pulse Width High

150

Data and Control Hold after XTAL1 Low

67

XTAL1 Low to WR Low

0

XTAL1 Low to PAGEL high

0

PAGEL low to XTAL1 high

150

BS1 Valid before PAGEL High

67

PAGEL Pulse Width High

150

BS1 Hold after PAGEL Low

67

BS2/1 Hold after WR Low

67

PAGEL Low to WR Low

67

BS1 Valid to WR Low

67

WR Pulse Width Low

150

WR Low to RDY/BSY Low

0

WR Low to RDY/BSY High(1)

3.7

WR Low to RDY/BSY High for Chip Erase(2)

7.5

Max.

12.5

250

1

5

10

Units

V

A

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

s

ms

ms

310

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