Maxim Integrated MAXQ7666 User Manual
Functional diagrams

Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
AIN0
AIN2
AIN4
AIN6
AIN8
AIN10
AIN12
AIN14
AIN1
AIN3
AIN5
AIN7
AIN8
AIN11
AIN13
AIN15
MAXQ7665/
MAXQ7666
12-BIT
DAC
DACOUT
I
I
I
I
M
M
M
ROTATION
SHAFT
MAGNET
MAGNETIC FIELD
DIRECTION
ANISOTROPIC
MAGNETORESISTIVE
SENSOR
MAXQ7665
R+
ΔR
V-
CAN
2.0B
BUS
ELECTRONIC
STABILITY
CONTROL
V+
R-
ΔR
R-
ΔR
R+
ΔR
12-BIT
ADC
512B
DATA RAM
UP TO 128kB
PROGRAM FLASH,
UP TO 256B
DATA FLASH
CLOCK
GEN/XTAL
INPUT
16-BIT MAXQ20 RISC
(WITH 16 x 16
HARDWARE
MULTIPLIER)
CAN
2.0B
DIGITAL
I/O
UART
(LIN 2.0)
JTAG
TEMP
SENSOR
VOLTAGE
REGULATOR
POWER
MGMT
16-BIT
TIMERS (3)
MUX
MUX
PGA
48-TQFN
7mm x 7mm
-40
°°C to +125°°
C
S
N
MAXQ7665/MAXQ7666 USER’S GUIDE
Rev 0; 12/07
Document Outline
- SECTION 1: MAXQ7665/MAXQ7666 Core Architecture
- SECTION 2: Power-Supply/Supervisory Monitoring Module
- SECTION 3: Analog I/O Module
- SECTION 4: Controller Area Network (CAN) Module
- SECTION 5: Oscillator/Clock Generation Module
- SECTION 6: Serial I/O Module
- SECTION 7: Type 2 Timer/Counter Module
- SECTION 8: General-Purpose I/O Module
- SECTION 9: Serial Peripheral Interface (SPI) Module
- SECTION 10: Test Access Port (TAP)
- SECTION 11: In-Circuit Debug Mode
- SECTION 12: In-System Programming
- SECTION 13: Hardware Multiplier Module
- SECTION 14: MAXQ7665/MAXQ7666 Instruction Set Summary
- SECTION 15: Utility ROM (Specific to MAXQ7665A-MAXQ7665D with Type A Flash)
- SECTION 16: Utility ROM (Specific to MAXQ7666 with Type F Flash)
- REVISION HISTORY