ADUC7  -  Series DataSheet
ADuC7032-8L  -  Integrated Precision Battery Sensor for Automotive System  -  Analog Devices  -  ARM

FEATURES
High precision analog-to-digital converters (ADCs)
Dual channel, simultaneous sampling, 16-bit Σ-Δ ADCs
Third independent ADC for temperature sensing
Programmable ADC throughput from 1 Hz to 8 kHz
On-chip 5 ppm/°C voltage reference
Current channel
Fully differential, buffered input
Programmable gain: 1 to 512
ADC input range: −200 mV to +300 mV
Digital comparators, with current accumulator feature
Voltage channel
Buffered, on-chip attenuator for 12 V battery inputs
Temperature channel
External and on-chip temperature sensor options
Microcontroller
ARM7TDMI core, 16-/32-bit RISC architecture
20.48 MHz PLL with programmable divider
PLL input source
On-chip precision oscillator
On-chip low power oscillator
External (32.768 kHz) watch crystal
JTAG port supports code download and debug
Memory
96 kB Flash/EE memory, 6 kB SRAM
10k-cycle Flash/EE endurance, 20-year Flash/EE retention
In-circuit download via JTAG and LIN
64 × 16-bit result FIFO for current and voltage ADC
On-chip peripherals
LIN 1.3- and 2.0-compatible (slave) support via UART with hardware synchronization
Flexible wake-up I/O pin, master/slave SPI serial I/O
9-pin GPIO port, 2× general-purpose timers
Wake-up and watchdog timers
Power supply monitor, on-chip power-on reset
Power
Operates directly from 12 V battery supply
Current consumption
Normal mode: 10 mA at 10 MHz
Low power monitor mode: 175 μA
Package and temperature range
48-lead, 7 mm × 7 mm LQFP
Fully specified for −40°C to +105°C operation

APPLICATIONS
Battery sensing/management for automotive systems