Freescale Semiconductor MC11E1CPBE2 Connectivity: SCI, SPI Controller Family/series: 68HC11 Core: HC11 Core Processor: HC11 Core Size: 8-Bit Cpu Speed: 2MHz Data Bus Width: 8 bit Data Converters: A/D 8x8b Data Ram Size: 512 B Eeprom Memory Size: 512Byte Eeprom Size: 512 x 8 Embedded Interface Type: SCI, SPI Interface Type: SCI, SPI Maximum Clock Frequency: 2 MHz Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT No. Of I/o's: 38 No. Of Timers: 1 Number Of I /o: 38 Number Of Programmable I/os: 38 Number Of Timers: 8 On-chip Adc: 8 bit, 8 Channel Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package / Case: 52-LQFP Peripherals: POR, WDT Processor Series: HC11E Program Memory Size: - Program Memory Type: ROMless Ram Memory Size: 512Byte Ram Size: 512 x 8 Rohs Compliant: Yes Series: HC11 Speed: 2MHz Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V