Precision Analog Microcontroller, 14-Bit Analog
I/O with MDIO Interface, ARM Cortex-M3
Data Sheet
FEATURES
Analog input/output
Multichannel, 14-bit, 1 MSPS analog-to-digital
converter (ADC)
Up to 16 ADC input channels
0 V to V
REF
analog input range
Fully differential and single-ended modes
AV
DD
and IOV
DD
monitors
12-bit voltage output digital-to-analog converters (VDACs)
8 VDACs with a range of 0 V to 2.5 V or AV
DD
outputs
12-bit current output DACs (IDACs)
4 IDACS with a range of 0 mA to 150 mA outputs
Voltage comparator
Microcontroller
ARM Cortex-M3 processor, 32-bit RISC architecture
Serial wire port supports code download and debug
Clocking options
80 MHz PLL with programmable divider
Trimmed on-chip oscillator (±3%)
External 16 MHz crystal option
External clock source up to 80 MHz
Memory
2 × 128 kB independent Flash/EE memories
10,000 cycle Flash/EE endurance
20-year Flash/EE retention
32 kB SRAM
In circuit reprogrammability via I
2
C
On-chip peripherals
MDIO slave up to 4 MHz
2 × I
2
C, 2 × SPI, UART
Multiple general-purpose input/output (GPIO) pins: 3.6 V
compliant
7 × 1.2 V compatible when used for MDIO
32-element programmable logic array (PLA)
3 general-purpose timers
Wake-up timer
Watchdog timer
16-bit pulse width modulator (PWM)
Power
Supply range: 2.9 V to 3.6 V, and 1.8 V to 2.5 V for IDACs
Flexible operating modes for low power applications
Package and temperature range
6 mm × 6mm, 96-ball CSP_BGA package
Fully specified for −40°C to +85°C ambient operation
Tools
Low cost QuickStart development system
Full third party support
APPLICATIONS
Optical networking
Rev. 0
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