Rainbow Electronics MAXQ7670 - Manual (Page 36)

MAXQ7670
Microcontroller with 10-Bit ADC,
PGA, 64KB Flash, and CAN Interface
36 ______________________________________________________________________________________
MAXQ7670
10-BIT
ADC
PGA
x16
MUX
MUX
-2nF
-2nF
R+dr
R-dr
R-dr
R+dr
VBRIDGEA
GNDA
OUTA+
OUTA-
-2nF
-2nF
R+dr
R-dr
R-dr
R+dr
VBRIDGEB
GNDB
OUTB+
OUTB-
DUAL-BRIDGE SENSOR
-2nF
-2nF
R+dr
R-dr
R-dr
R+dr
VBRIDGEA
GNDA
OUTA+
OUTA-
-2nF
-2nF
0.47 µF
R+dr
R-dr
R-dr
R+dr
VBRIDGEB
GNDB
OUTB+
OUTB-
DUAL-BRIDGE SENSOR
AIN0
AIN2
AIN4
AIN6
AIN1
AIN3
AIN5
AIN7
GPIO
16-BIT TIMER
SPI
JTAG
CAN 2.0B
64KB
PROGRAM/DATA
FLASH
2KB DATA RAM
MAXQ20 CORE
16-BIT RISC
MICRO
0.47 µF
+3.3V
16MHz
AVDD
DIGITAL I/O
SPI
REFADC
I.C.
0.1 µF
0.1 µF
0.1 µF 15 µF
DVDDIO
P0.7/T0B
P0.6/T0
P0.5
P0.4/ADCCNV
SCLK
MISO
MOSI
SS
P0.2
P0.1
P0.0
JTAG
CAN
TCK
TDI
TMS
CANTXD
CANRXD
TDO
DVDD
AGND
GNDIO
DGND
EN
HOLD 10 µF
MAX5024LASA
OUT +12V
RESET RESET
SET
REGEN2
EXTERNAL RESET IS OPTIONAL
IN
GND
V DD (+5V)
XIN
XOUT
TXD
V CC
RXD
MAX13053ASA/AUT
S
REF
GND
V DD
+2.5V
CANH
CANL
TO CAN BUS
TO CAN BUS
60 Ω
60 Ω
4.7nF
Typical Application Circuit