C505_9708 SIEMENS [Siemens Semiconductor Group], C505_9708 Datasheet - Page 8

• Manufacturer Part Number: C505_9708
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Listed below is a summary of the main features of the C505 family:
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Semiconductor Group
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)
16K byte on-chip ROM (C505-2R and C505C-2R only)
– Optional ROM protection available
256 byte on-chip RAM
256 byte on-chip XRAM
Five ports: 32 + 2 digital I/O lines(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 CAN Module (C505C 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
Full duplex serial interface with programmable baudrate generator (USART)
8-bit A/D Converter
Twelve interrupt sources with four priority levels
On-chip emulation support logic (Enhanced Hooks)
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 INT0 or P4.1 pin
P-MQFP-44 package
Pin configuration is compatible to C501, C504, C511/C513-family
Temperature ranges: SAB-C505
SAF-C505
SAH-C505
SAK-C505
T
T
T
T
A
A
A
A
= 0 to 70 C
= – 40 to 85 C
= – 40 to 110 C (max. operating frequency: TBD)
= – 40 to 125 C (max. operating frequency: 8 MHz)
1-2
C505 / C505C
Introduction
1997-08-01