EMI ReductionSpectrum spreader for reduced EMI (radiated emissions)
Serial Flash Memory (program)1 MB
SRAM1 MB
Battery-Backable SRAM32 KB (Internal)
Backup BatteryConnection for user-supplied backup battery (to support RTC)
General Purpose I/OUp to 35 parallel digital I/O lines configurable with 4 layers of alternate functions, plus FIM (Flexible Interface Module) control.
Analog Inputs0,2 or 4-inputs shared with PE0,1 or PE2,3. 12 bit resolution, 11 bits performance at upto 1 Msample/sec (125 ksample/sec for any one input with no CPU overhead). Input range 100mV to Vcc-100mV typical.
Additional InputsReset in
Additional OutputsStatus, reset out
External I/O BusCan be configured for 8 data lines 8 address lines (shared with parallel I/O lines), plus I/O read/write
Serial Ports6 high-speed, CMOS-compatible ports:
Serial RateMaximum asynchronous baud rate = CLK/8
Slave InterfaceSlave port allows the module to be used as an intelligent peripheral device slaved to a master processor
Real-Time ClockYes
TimersTen 8-bit timers (6 cascadable from the first), one 10-bit timer with 2 match registers, and one 16-bit timer with 4 outputs and 8 set/reset registers
Watchdog/SupervisorYes
Pulse-Width Modulator4 channels synchronized PWM with 10-bit counter or 4 channels variable-phase or synchronized PWM with 16-bit counter
Input Capture2-channel input capture can be used to time input signals from various port pins