SAKC505-LM 查看數據表（PDF） - Siemens AG

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SAKC505-LM

8-Bit CMOS Microcontroller

Siemens AG 

8-Bit CMOS Microcontroller

Advance Information

• 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

(more features on next page)

C505

C505C

C505A

C505CA

Oscillator Watchdog

A / D Converter

C505 / C505C: 8-Bit

C505A / C505CA: 10-Bit

Timer 2

Full-CAN Controller

C505C / C505CA only

Watchdog Timer

XRAM

C505 / C505C: 256 Byte

C505A / C505CA: 1 KByte

RAM

256 Byte

Timer

C500

0

Core

8-Bit

Timer

1

8 Datapointers

USART

Program Memory

C505 / C505C: 16 k ROM

C505A / C505CA: 32 k OTP

Port 0

Port 1

Port 2

Port 3

Port 4

Figure 1

C505 Functional Units

I/O

8 Analog Inputs /

8 Digit. I / O

I/O

I/O

I / O (2-Bit I / O Port)

MCB03628

Semiconductor Group

3

1997-12-01

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