41594B datasheet(238/372 Pages) MICROCHIP

Part #	41594B

Description	8-Bit Flash Microcontroller with nanoWatt XLP Technology

PDF	372 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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238 / 372 page

Receiving Address

ACK

Receiving Second Address Byte

Receive First Address Byte

ACK

Transmitting Data Byte

1 1 1 1 0 A9 A8

A7 A6 A5 A4 A3 A2 A1 A0

1 1 1 1 0 A9 A8

D7 D6 D5 D4 D3 D2 D1 D0

SDA

SCL

SSP1IF

CKP

R/W

D/A

1 23 45 6 789

1 23 45 67 89

23 4 5 67 89

1 23 4 5 6 78 9

ACK = 1

Master sends

Stop condition

Master sends

not ACK

Master sends

Restart event

ACK

R/W = 0

Cleared by software

After SSP1ADD is

updated, UA is cleared

and SCL is released

High address is loaded

Received address is

Data to transmit is

Set by software

Indicates an address

When R/W = 1;

R/W is copied from the

Set by hardware

UA indicates SSP1ADD

SSP1BUF loaded

with received address

must be updated

has been received

loaded into SSP1BUF

releases SCL

Masters not ACK

is copied

matching address byte

CKP is cleared on

9th falling edge of SCL

read from SSP1BUF

back into SSP1ADD

ACKSTAT

Set by hardware

41594B Datasheet(PDF) 238 Page - Microchip Technology

41594B Datasheet(HTML) 238 Page - Microchip Technology

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