参数资料
型号: C541U
厂商: SIEMENS AG
元件分类: 8位微控制器
英文描述: 8 BIT CMOS MICROCONTROLLER
中文描述: 8位CMOS单片机
文件页数: 4/63页
文件大小: 497K
代理商: C541U
Semiconductor Group
2
C541U
Features (continued) :
Up to 64K byte external data memory
256 byte on-chip RAM
Four parallel I/O ports
– P-LCC-44 package :
– P-SDIP-52* package : four 8-bit ports
– LED current drive capability for 3 pins (10 mA)
Two 16-bit timer/counters (C501 compatible)
SSC synchronous serial interface (SPI compatible)
– Master and slave capable
– Programmable clock polarity / clock-edge to data phase relation
– LSB/MSB first selectable
– 1.5 MBaud transfer rate at 12 MHz operating frequency
7 interrupt sources (2 external, 5 internal with 2 USB interrupts) selectable at 2 priority levels
Enhanced fail safe mechanisms
– Programmable watchdog timer
– Oscillator watchdog
Power saving modes
– idle mode
– software power down mode with wake-up capability through INT0 pin or USB
On-chip emulation support logic (Enhanced Hooks Technology
TM
)
P-LCC-44 and P-SDIP-52* packages
Power supply voltage range : 4.25V to 5.5V
Temperature Range :
T
A
= 0 to 70
°
C
three 8-bit ports and one 6-bit port
* P-SDIP-52 package is available on specific request from customer
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