Rainbow Electronics MAX1093 - Manual (Page 14)

MAX1091/MAX1093
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
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Table 3. Channel Selection for Single-Ended Operation (SGL/DIF = 1)
*Channels CH4–CH7 apply to MAX1091 only.
A1 CH0
0 + 0 0
A0
0 1
CH2 CH4*
+ 0
1 0 +
CH3
-
0
CH1 CH7*
-
CH6*
-
COM
1
CH5*
1 + - 0
0 0
A2
+ 1
0 1 + 1
-
-
1 0 1
1 1
+
1
-
+ -
WR
CLK
CLK
WR
WR GOES HIGH WHEN CLK IS HIGH.
WR GOES HIGH WHEN CLK IS LOW.
t DH
t DH
t CWH
t CWS
ACQUISITION STARTS
ACQUISITION STARTS
CONVERSION STARTS
CONVERSION STARTS
ACQUISITION ENDS
ACQUISITION ENDS
ACQMOD = "1"
ACQMOD = "1"
ACQMOD = "0"
ACQMOD = "0"
Figure 6b. External Clock and WR Timing (External Acquisition Mode)
Table 2. Control Byte Format
D7 (MSB) D3 D1 D0 (LSB) D2 D5
PD1 UNI/BIP A1 A0 A2 ACQMOD SGL/DIF PD0
D4 D6