M62334P_08 RENESAS [Renesas Technology Corp], M62334P_08 Datasheet - Page 6

• Manufacturer Part Number: M62334P_08
• Description: 8-bit 4ch I2C BUS D/A Converter with Buffer Amplifiers
• Manufacturer: RENESAS [Renesas Technology Corp]

M62334P/FP, M62339P/FP
Timing Chart (Model)
• Start condition
• Stop condition
• Acknowledge bit
Digital Data Formats
REJ03D0866-0400 Rev.4.00 Mar 25, 2008
Page 6 of 9
<Start condition to slave address bit>
<Sub address bit>
<DAC data bit to stop condition>
(Under normal circumstance, SDA is changed when SCL is Low)
STA
SDA
SCL
D/A
output
SDA
SCL
D/A
output
SDA
SCL
D/A
output
Sub address 2
Start condition
Slave address
1
With SCL at High, SDA line goes from High to Low
With SCL at High, SDA line goes from Low to High
The receiving IC has to pull down SDA line whenever receive slave data.
(The transmitting IC releases the SDA line just then transmit 8-bit data.)
A
1
1
2
DAC data 2
2
2
W
3
A
A
3
3
4
Sub address 1
4
4
5
Sub address n
5
5
6
A
6
6
7
A
DAC data 1
7
7
DAC data n
8
W
8
A
A
A
A
A
Stop
condition
STP