FEATURES Analog I/O Multichannel, 12-bit, 1 MSPS ADC Up to 14 analog-to-digital converter (ADC) channels Fully differential and single-ended modes 0 to VREF analog input range 10-bit digital-to-analog converter (DAC) 32-bit 21 MHz direct digital synthesis (DDS) Current-to-voltage (I/V) conversion Integrated second-order low-pass filter (LPF) DDS input to DAC 100 Ω line driver On-chip voltage reference On-chip temperature sensor (±3°C) Voltage comparator Microcontroller ARM7TDMI core, 16-/32-bit RISC architecture JTAG port supports code download and debug External watch crystal/clock source 41.78 MHz PLL with 8-way programmable divider Optional trimmed on-chip oscillator Memory 126 kB Flash/EE memory, 8 kB SRAM In-circuit download, JTAG-based debug Software triggered in-circuit reprogrammability On-chip peripherals 2× UART, 2× I2C and SPI serial I/O Up to 40-pin GPIO port 5× general-purpose timers Wake-up and watchdog timers (WDT) Power supply monitor 16-bit PWM generator Quadrature encoder Programmable logic array (PLA) Power Specified for 3 V operation Active mode 11 mA (@ 5.22 MHz) 45 mA (@ 41.78 MHz) Packages and temperature range 64-lead 9 mm × 9 mm LFCSP package, −40°C to 125°C 64-lead LQFP, −40°C to +125°C 80-lead LQFP, −40°C to +125°C Tools Low cost QuickStart development system Full third-party support
