MCF51JE128 Overview
Freescale Semiconductor Data Sheet: Advanced Information An Energy-Efficient Solution from Freescale Document Number: The MCF51JE256 series devices are members of the low-cost, low-power, high-performance ColdFire® V1 family of 32-bit microcontrollers (MCUs).
MCF51JE128 Key Features
- Up to 50.33-MHz ColdFire CPU above 2.4 V and 40 MHz CPU above 2.1 V and 20 MHz CPU above 1.8 V across temperature range
- ColdFire Instruction Set Revision C (ISA_C)
- 32-bit multiply and accumulate (MAC) supports signed or unsigned integer or signed fractional inputs. On-Chip Memory
- 256 K Flash prised of two independent 128 K flash arrays; read/program/erase over full operating voltage and temperature
- 32 Kbytes System Random-access memory (RAM)
- Security circuitry to prevent unauthorized access to RAM and Flash contents. Power-Saving Modes
- Two ultra-low power stop modes. Peripheral clock enable register can disable clocks to unused modules to reduce currents
- Time of Day (TOD)
- Ultra low-power 1/4 sec counter with up to 64s timeout
- Ultra-low power external oscillator that can be used in stop modes to provide accurate clock source to the TOD. 6 usec t