C8051F045 데이터 시트보기 (PDF) - Silicon Laboratories

부품명

상세내역

제조사

C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

Table 19.1. SMB0STA Status Codes and States (Continued)

Mode

Status

Code

SMBus State

Typical Action

0x60

0x68

0x70

0x78

0x80

0x88

0x90

0x98

0xA0

0xA8

0xB0

0xB8

0xC0

0xC8

Own slave address + W received. ACK trans- Wait for data.

mitted.

Arbitration lost in sending SLA + R/W as mas-

ter. Own address + W received. ACK transmit-

ted.

Save current data for retry when bus is

free. Wait for data.

General call address received. ACK transmit- Wait for data.

ted.

Arbitration lost in sending SLA + R/W as mas-

ter. General call address received. ACK trans-

mitted.

Save current data for retry when bus is

free.

Data byte received. ACK transmitted.

Read SMB0DAT. Wait for next byte or

STOP.

Data byte received. NACK transmitted.

Set STO to reset SMBus.

Data byte received after general call address. Read SMB0DAT. Wait for next byte or

ACK transmitted.

STOP.

Data byte received after general call address. Set STO to reset SMBus.

NACK transmitted.

STOP or repeated START received.

No action necessary.

Own address + R received. ACK transmitted. Load SMB0DAT with data to transmit.

Arbitration lost in transmitting SLA + R/W as

master. Own address + R received. ACK

transmitted.

Save current data for retry when bus is

free. Load SMB0DAT with data to trans-

mit.

Data byte transmitted. ACK received.

Load SMB0DAT with data to transmit.

Data byte transmitted. NACK received.

Wait for STOP.

Last data byte transmitted (AA=0). ACK

received.

Set STO to reset SMBus.

0xD0 SCL Clock High Timer per SMB0CR timed out Set STO to reset SMBus.

0x00

0xF8

Bus Error (illegal START or STOP)

Idle

Set STO to reset SMBus.

State does not set SI.

Rev. 1.5

253

Share Link: