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 25-8. Parallel Programming Timing, Loading Sequence with Timing Requirements(1)

LOAD ADDRESS

(LOW BYTE)

LOAD DATA

(LOW BYTE)

LOAD DATA LOAD DATA

(HIGH BYTE)

LOAD ADDRESS

(LOW BYTE)

XTAL1

t XLXH

tXLPH

tPLXH

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 25-7 (i.e., tDVXH, tXHXL, and tXLDX) also apply to load-

ing operation.

Figure 25-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with

Timing Requirements(1)

LOAD ADDRESS

(LOW BYTE)

READ DATA

(LOW BYTE)

READ DATA

(HIGH BYTE)

LOAD ADDRESS

(LOW BYTE)

XTAL1

tXLOL

tBVDV

BS1

OE

tOLDV

tOHDZ

DATA

ADDR0 (Low Byte)

DATA (Low Byte)

DATA (High Byte)

ADDR1 (Low Byte)

XA0

XA1

Note: 1. The timing requirements shown in Figure 25-7 (i.e., tDVXH, tXHXL, and tXLDX) also apply to read-

ing operation.

Table 25-14. Parallel Programming Characteristics, VCC = 5V ± 10%

Symbol

Parameter

Min Typ

VPP

IPP

tDVXH

tXLXH

tXHXL

tXLDX

tXLWL

Programming Enable Voltage

Programming Enable Current

Data and Control Valid before XTAL1 High

XTAL1 Low to XTAL1 High

XTAL1 Pulse Width High

Data and Control Hold after XTAL1 Low

XTAL1 Low to WR Low

11.5

67

200

150

67

0

Max

12.5

250

Units

V

A

ns

ns

ns

ns

ns

294

Share Link: