C505-2RM SIEMENS [Siemens Semiconductor Group], C505-2RM Datasheet - Page 3
C505-2RM
Manufacturer Part Number
C505-2RM
Description
8-Bit CMOS Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.C505-2RM.pdf
(85 pages)
- Current page: 3 of 85
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• Fully compatible to standard 8051 microcontroller
• Superset of the 8051 architecture with 8 datapointers
• Up to 20 MHz operating frequency
• On-chip program memory (with optional memory protection)
• 256 byte on-chip RAM
• On-chip XRAM
• 32 + 2 digital I/O lines
Figure 1
C505 Functional Units
Semiconductor Group
8-Bit CMOS Microcontroller
Advance Information
(more features on next page)
– 375 ns instruction cycle time @16 MHz
– 300 ns instruction cycle time @20 MHz (50 % duty cycle)
– C505-2R/C505C-2R :
– C505A-4E/C505CA-4E: 32k byte on-chip OTP
– alternatively up to 64k byte external program memory
– C505/C505C :
– C505A/C505CA : 1K byte
– 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
Oscillator Watchdog
C505A / C505CA: 10-Bit
Full-CAN Controller
C505C / C505CA only
C505 / C505C: 8-Bit
Watchdog Timer
A / D Converter
Timer 2
256 byte
16k byte on-chip ROM
Timer
Timer
C505A / C505CA: 1 KByte
C505 / C505C: 256 Byte
0
1
C505A / C505CA: 32 k OTP
C505 / C505C: 16 k ROM
Program Memory
XRAM
8 Datapointers
C500
Core
3
USART
256 Byte
RAM
8-Bit
Port 0
Port 2
Port 3
Port 4
Port 1
8 Analog Inputs /
8 Digit. I / O
I / O
I / O
I / O
I / O (2-Bit I / O Port)
1997-12-01
MCB03628
C505CA
C505C
C505A
C505
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