MAX5816 MAXIM [Maxim Integrated Products], MAX5816 Datasheet - Page 19

• Manufacturer Part Number: MAX5816
• Description: Ultra-Small, Quad-Channel, 12-Bit Buffered Output DAC with Internal Reference and I2C Interface
• Manufacturer: MAXIM [Maxim Integrated Products]

Figure 8. Interface Verification I
Ultra-Small, Quad-Channel, 12-Bit Buffered Output DAC
SDA
SDA
SCL
SCL
START
START
START
BYTE #1: I
BYTE #1: I
BYTE #1: I
BYTE #1: I
0
0
0
0
 Maxim Integrated Products 19
0 0
0 0
0 0
0 0
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
2
2
2
2
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
1 1 A1 A0
1
1
1
A
ACK. GENERATED BY MAX5816
1 A1 A0
1 A1 A0
1 A1 A0
2
C Register Read Sequences
with Internal Reference and I
W
W
R
R
A
A
A
A
23
23
23
23
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
22
22
22
22
WRITE COMMAND
WRITE COMMAND
READ COMMAND
READ COMMAND
21
21
21
21
(B[23:16])
(B[23:16])
(B[23:16])
(B[23:16])
(QUALIFIES FOR COMBINED READ BACK)
20 19 18 17
20 19 18 17
20 19 18 17
20 19 18 17
(QUALIFIES FOR COMBINED READ BACK)
POINTER UPDATED
POINTER UPDATED
16
16
16
16
A
A
A
A
15 14 13 12 11 10 9
15 14 13 12 11 10 9
15 14 13 12 11 10 9
15 14 13 12 11 10 9
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
WRITE DATA
WRITE DATA
READ DATA
READ DATA
(B[15:8])
(B[15:8])
(B[15:8])
(B[15:8])
A
ACK. GENERATED BY I
8
8
8
8
A
A
A
A
7
7
7
7
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
2
6 5 4 3
6 5 4
6 5 4 3
6 5 4 3
C MASTER
WRITE DATA
WRITE DATA
READ DATA
READ DATA
(B[7:0])
(B[7:0])
(B[7:0])
(B[7:0])
(QUALIFIES FOR INTERFACE READ BACK)
(QUALIFIES FOR INTERFACE READ BACK)
2
3 2 1
C Interface
2 1
2 1
2 1
COMMAND EXECUTED
COMMAND EXECUTED
MAX5816
0
0
0
0
~A
A
~A
A
REPEATED
START
STOP
STOP
STOP