High precision ADCs

• Dual channel, simultaneous sampling, 16-bit, Σ-Δ ADCs
• Programmable ADC throughput from 1 Hz to 8 kHz
• On-chip 5 ppm/°C voltage reference
• Current channel
  Fully differential, buffered input
  Programmable gain from 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

• 32-kB Flash/EE memory, 4-kB SRAM
• 10,000-cycle Flash/EE endurance, 20-year Flash/EE retention
• In-circuit download via JTAG and LIN

On-chip peripherals

• LIN 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, 3× 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

Package and temperature range

• 48-lead, 7 mm x 7 mm LFCSP
• Fully specified for −40°C to +115°C operation