C505-L

8位单芯片微控制器 8-Bit Single-Chip Microcontroller

• Fully compatible to standard 8051 microcontroller

• Superset of the 8051 architecture with 8 datapointers

• Up to 20 MHz operating frequency

– 375 ns instruction cycle time @16 MHz

–  300 ns instruction cycle time @20 MHz 50 % duty cycle

• On-chip program memory with optional memory protection

–  C505-2R/C505C-2R : 16k byte on-chip ROM

–  C505A-4E/C505CA-4E: 32k byte on-chip OTP

–  alternatively up to 64k byte external program memory

• 256 byte on-chip RAM

• On-chip XRAM

– C505/C505C : 256 byte

– C505A/C505CA : 1K byte

• 32 + 2 digital I/O lines

– Four 8-bit digital I/O ports

– One 2-bit digital I/O port port 4

– Port 1 with mixed analog/digital I/O capability

• Three 16-bit timers/counters

– Timer 0 / 1 C501 compatible

– Timer 2 with 4 channels for 16-bit capture/compare operation

• Full duplex serial interface with programmable baudrate generator USART

• Full CAN Module, version 2.0 B compliant C505C and C505CA only

– 256 register/data bytes located in external data memory area

– 1 MBaud CAN baudrate when operating frequency is equal to or above 8 MHz

– internal CAN clock prescaler when input frequency is over 10 MHz

• On-chip A/D Converter

– up to 8 analog inputs

– C505/C505C : 8-bit resolution

– C505A/C505CA: 10-bit resolution

• Twelve interrupt sources with four priority levels

• On-chip emulation support logic Enhanced Hooks Technology TM 1

• Programmable 15-bit watchdog timer

• Oscillator watchdog

• Fast power on reset

• Power Saving Modes

– Slow-down mode

– Idle mode can be combined with slow-down mode

– Software power-down mode with wake up capability through P3.2/INT0 or P4.1/RXDC pin

• P-MQFP-44 package

• Pin configuration is compatible to C501, C504, C511/C513-family

• Temperature ranges:

SAB-C505 versions TA =   0 to 70 °C

SAF-C505 versions TA = – 40 to 85 °C

SAH-C505 versions TA = – 40 to 110 °C   max. operating frequency: TBD

SAK-C505 versions TA = – 40 to 125 °C   max. operating frequency: 12 MHz with 50% duty cycle