ADS7830I Burr-Brown Corporation, ADS7830I Datasheet - Page 13

• Manufacturer Part Number: ADS7830I
• Description: 8-Bit/ 8-Channel Sampling ANALOG-TO-DIGITAL CONVERTER with I2C Interface
• Manufacturer: Burr-Brown Corporation

ADS7830
FIGURE 4. Typical Read Sequence in HS Mode.
SBAS302
NOTES: (1) To remain in HS mode, use repeated START instead of STOP.
D 7 D 6 D 5
Sr
Sr
S
(depending on power-down selection bits)
0
1
1
HS Mode Enabled
From Master to Slave
From Slave to Master
(2) SCLH is SCL in HS mode.
0
HS Mode Enabled
0
0
Read-Addressing Byte
HS Mode Master Code
Write-Addressing Byte
ADC Power-Down Mode
1 x (8 Bits + not-ack)
ADC Converting Mode
D 4 D 3 D 2 D 1
0
0
0
0
1
1
F/S Mode
ADC Power-Down Mode
1
0
0
A 1
A 1
X
A = acknowledge (SDA LOW)
N = not acknowledge (SDA HIGH)
S = START Condition
P = STOP Condition
Sr = repeated START condition
A 0
A 0
D 0
X
W
R
X
N
N
A
A
P
SD C 2 C 1
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Return to F/S Mode
SCLH
Command Byte
C 0 PD 1 PD 0 X
(2)
is stretched LOW waiting for data conversion
W = '0' (WRITE)
R = '1' (READ)
ADC Sampling Mode
(1)
HS Mode Enabled
X
A
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