Linear Technology LTC6804-1 - Page 40

LTC6804-1/LTC6804-2
40
680412fc
For more information www.linear.com/LTC6804-1
operaTion
Figure 18a. Single-Device LTC6804-1 Using 2-Wire Port A
Figure 18c. Single-Device LTC6804-1 Using 4-Wire Port A
Figure 18b. Single-Device LTC6804-2 Using 2-Wire Port A
Figure 18d. Single-Device LTC6804-2 Using 4-Wire Port A
• •
•
•
680412 F18a
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
TERMINATED UNUSED PORT
R
M
• •
•
•
680412 F18b
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
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 = 0×0
680412 F18c
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
TERMINATED UNUSED PORT
100Ω
20k
MISO
MOSI
CLK
CS
V
DD
MPU
REQUIRED BIAS
5k
680412 F18d
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 = 0×0
MISO
MOSI
CLK
CS
V
DD
MPU
5k