AN2352 Cypress, AN2352 Datasheet - Page 3

• Manufacturer Part Number: AN2352
• Description: I2C USB Bridge Usage
• Manufacturer: Cypress

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9/22/2006
Figure 2. Example of Erroneous Transmission of WORD-Type Variable
Current buffer index
Current buffer index
of I
of I
Step 1. I
Step 3. I
2
Step 2. Program Updates I
2
C interrupt
C interrupt
Current buffer index
service
service
WORD Value Changed by 1
WORD type variable into I
WORD type variable into I
WORD type variable into I
of I
2
C interrupt
2
2
C Sends MSB Byte of WORD
C Sends LSB Byte of WORD
service
00
01
01
255
256
256
Value
Value
FF
Revision **
00
00
2
2
2
C buffer
C buffer
C buffer
2
C Buffer
This is MSB Byte
of WORD Value
of WORD Value
This is LSB Byte
I
I
2
2
C Sends 00 h
C Sends 00 h
AN2352
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