Linear Technology LTC6804-1 - Page 39

LTC6804-1/LTC6804-2
39
680412fc
For more information www.linear.com/LTC6804-1
operaTion
680412 F18
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
A3 A2 A1 A0
SDO (IBIAS)
SDI (ICMP)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-2
ADDRESS = 0x0
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
A3 A2 A1 A0
SDO (IBIAS)
SDI (ICMP)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-2
ADDRESS = 0x1
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
A3 A2 A1 A0
SDO (IBIAS)
SDI (ICMP)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-2
ADDRESS = 0x2
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
A3 A2 A1 A0
SDO (IBIAS)
SDI (ICMP)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-2
ADDRESS = 0x3
• •
• •
• •
• •
VDDS EN MISO MOSI SCK CS
VDD
POL
PHA
MSTR
ICMP
IBIAS
GND
SLOW
IP
IM
MISO MOSI CLK CS
V
DD
MPU
LTC6820
•
•
680412 F17
VDDS EN MISO MOSI SCK CS
VDD
POL
PHA
MSTR
ICMP
IBIAS
GND
SLOW
IP
IM
MISO MOSI CLK CS
V
DD
MPU
LTC6820
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
IPB
IMB
ICMP
IBIAS
SDO (NC)
SDI (NC)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-1
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
IPB
IMB
ICMP
IBIAS
SDO (NC)
SDI (NC)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-1
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
IPB
IMB
ICMP
IBIAS
SDO (NC)
SDI (NC)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-1
V
+
C12 S12 C11 S11 C10 S10 C9 S9 C8 S8 C7 S7 C6 S6 C5 S5 C4 S4 C3 S3 C2 S2 C1
IPB
IMB
ICMP
IBIAS
SDO (NC)
SDI (NC)
SCK (IPA)
CSB (IMA)
ISOMD
WDT
DRIVE
V
REG
SWTEN
V
REF1
V
REF2
GPIO5 GPIO4
V
–
V
–
GPIO3 GPIO2 GPIO1
C0 S1
LTC6804-1
•
•
•
•
•
•
• •
• •
• •
• •
•
•
Figure 17a. Transformer-Isolated Daisy-Chain Configuration Using LTC6804-1
Figure 17b. Multi-Drop Configuration Using LTC6804-2