Datasheet
OUTA+
OUTA-
OUTB+
VDD_SEL
VIN
18
INB+
INB-
17
14
13
16
LOS
READEN#
DONE#
SD_TH
INA+
INA-
OUTB-
SMBUS AND
CONTROL
15
VDD
24
23
22
21
20
19
11
12
8
10
9
7
AD2
ENSMB
1
2
5
6
3
SCL
AD3
SDA
4
VDD
TX_DIS
AD1
AD0
OUTA+
OUTA-
OUTB+
VDD_SEL
VIN
18
INB+
INB-
17
14
13
16
LOS
READEN#
DONE#
SD_TH
INA+
INA-
OUTB-
SMBUS AND
CONTROL
15
VDD
24
23
22
21
20
19
11
12
8
10
9
7
AD2
ENSMB
1
2
5
6
3
SCL
AD3
SDA
4
VDD
TX_DIS
AD1
AD0
OUTA+
OUTA-
OUTB+
VDD_SEL
VIN
18
INB+
INB-
17
14
13
16
LOS
READEN#
DONE#
SD_TH
INA+
INA-
OUTB-
SMBUS AND
CONTROL
15
VDD
24
23
22
21
20
19
11
12
8
10
9
7
AD2
ENSMB
1
2
5
6
3
SCL
AD3
SDA
4
VDD
TX_DIS
AD1
AD0
SDA
SCL
AD0
AD1
AD2
GND
GND
GND
One or both of these lines
should float for EEPROM
larger than 256 bytes.
EEPROM
SDA
SCL
From External
SMBus Master
3.3V
FLOAT FLOAT FLOAT
Note: Set AD[3:0] of each DS100BR111A to unique SMBus Address.
GND
DS100BR111A
SNLS400C –JANUARY 2012–REVISED APRIL 2013
www.ti.com
Figure 8. Typical Multi-Device EEPROM Connection Diagram
Table 6. Multi-Device EEPROM Register Map Overview
Addr Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 BIt 0
0 CRC EN Address Map EEPROM > Reserved COUNT[3] COUNT[2] COUNT[1] COUNT[0]
256 Bytes
Header
1 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
2 EE Burst[7] EE Burst[6] EE Burst[5] EE Burst[4] EE Burst[3] EE Burst[2] EE Burst[1] EE Burst[0]
Device 0 3 CRC[7] CRC[6] CRC[5] CRC[4] CRC[3] CRC[2] CRC[1] CRC[0]
Info
4 EE AD0 [7] EE AD0 [6] EE AD0 [5] EE AD0 [4] EE AD0 [3] EE AD0 [2] EE AD0 [1] EE AD0 [0]
Device 1 5 CRC[7] CRC[6] CRC[5] CRC[4] CRC[3] CRC[2] CRC[1] CRC[0]
Info
6 EE AD1 [7] EE AD1 [6] EE AD1 [5] EE AD1 [4] EE AD1 [3] EE AD1 [2] EE AD1 [1] EE AD1 [0]
Device 2 7 CRC[7] CRC[6] CRC[5] CRC[4] CRC[3] CRC[2] CRC[1] CRC[0]
Info
8 EE AD2 [7] EE AD2 [6] EE AD2 [5] EE AD2 [4] EE AD2 [3] EE AD2 [2] EE AD2 [1] EE AD2 [0]
Device 3 9 CRC[7] CRC[6] CRC[5] CRC[4] CRC[3] CRC[2] CRC[1] CRC[0]
Info
10 EE AD3 [7] EE AD3 [6] EE AD3 [5] EE AD3 [4] EE AD3 [3] EE AD3 [2] EE AD3 [1] EE AD3 [0]
Device 0 11 RES RES RES RES RES LOS_Channe RES RES
Addr 3 l
Device 0 12 Ovrd_LOS LOS Value PDWN Inp PDWN OSC RES eSATA CHA eSATA CHB Ovrd TX_DIS
Addr 4
Device 0 46 RES RES RES RES RES RES RES RES
Addr 38
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