MP7636 View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

MP7636

15 V CMOS Microprocessor Compatible Double-Buffered, Multiplying 16-Bit Digital-to-Analog Converter

Exar Corporation 

MP7636A

DATA BUS

CS

BYTE1/BYTE2

WR1

XFER

+

WR2

Valid

Valid

Analog Output

Updated

Analog Output

Latched

Load 8-bit (MSB)

Input Latch

8-bit (LSB) Input

Latch also changed

Overwrite 8-bit

(LSB)

Input Latch

Transfer 16-bit

word to the DAC Register

(Analog Output Updated)

and Latched

Figure 1. Typical Interface with an 8-bit Data Bus

DATA BUS

CS

BYTE1/BYTE2

+

XFER

WR1

+

WR2

Rev. 2.00

Valid

Valid

Analog Output

Updated

Analog Output

Latched

Load 8-bit (MSB)

Input Latch

8-bit (LSB) Input

Latch also changed

Overwrite the 8-bit (LSB)

Input Latch and Transfer

all 16 bits word to the

DAC Register

Figure 2. Automatic Transfer

6

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