ADUC7121BBCZ-RL Analog Devices 8bit MCU

ADUC7121BBCZ-RL Overview

ARM7® MicroConverter® ADuC7xxx Microcontroller IC 16/32-Bit 41.78MHz 126KB (63K x 16) FLASH 108-CSPBGA (7x7)

Analog input/output
- Multiple channel, 12-bit, 1 MSPS ADC
  - 2 differential pairs with input PGA
  - General-purpose inputs (differential or single-ended)
    - ADuC7121: 7 channels
- Fully differential and single-ended modes
- 0 V to VREF analog input voltage range (single-ended mode)
- 5 low noise IDACs
  - 250 mA, 200 mA, 45 mA, 80 mA, 20 mA
- 12-bit voltage output DACs
  - ADuC7121: 4 channels
- 4× 12-bit voltage output DACs
- On-chip voltage reference
- On-chip temperature sensor
Microcontroller
- ARM7TDMI core, 16-bit/32-bit RISC architecture
- JTAG port supports code download and debug
Clocking options
- Trimmed on-chip oscillator (±3%)
- External watch crystal
- External clock source up to 41.78 MHz
- 41.78 MHz PLL with programmable divider
Memory
- 126 kB Flash/EE memory, 8 kB SRAM
- In-circuit download, JTAG-based debug
- Software triggered in-circuit reprogrammability
On-chip peripherals
- UART, 2 × I2C and SPI serial I/O
- 32-pin GPIO port
- 4× general-purpose timers
- Wake-up timers and WDT
- Power supply monitor
- IDAC monitor
- Temperature monitor
Vectored interrupt controller for FIQ and IRQ
- 8 priority levels for each interrupt type
- Interrupt on edge or level external pin inputs
Power
- Specified for 3 V operation
- Normal mode: 11 mA at 5.22 MHz, 30 mA at 41.78 MHz
Packages and temperature range
- 7 mm × 7 mm 108-ball CSP_BGA
- Fully specified for –40°C to +105°C operation
Tools
- Low costdevelopment system
- Full third party support