参数资料
型号: C540U
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微控制器
文件页数: 3/65页
文件大小: 427K
代理商: C540U
Semiconductor Group
3
1997-10-01
8-Bit CMOS Microcontroller
Advance Information
C540U
C541U
Enhanced 8-bit C500 CPU
– Full software/toolset compatible to standard 80C51/80C52 microcontrollers
12 MHz external operating frequency
– 500 ns instruction cycle
Built-in PLL for USB synchronization
On-chip OTP program memory
– C540U : 4K byte
– C541U : 8K byte
– Alternatively up to 64K byte external program memory
– Optional memory protection
On-chip USB module
– Compliant to USB specification
– Full speed or low speed operation
– Five endpoints : one bidirectional control endpoint
four versatile programmable endpoints
– Registers are located in special function register area
– On-chip USB transceiver
I/O
MCA03373
OTP Prog. Memory
C540U : 4 k x 8
C541U : 8 k x 8
RAM
256 x 8
CPU
I/O
I/O
I/O
Watchdog
Oscillator
Timer
Watchdog
SSC
T0
T1
USB
Module
USB Transceiver
Power
Saving
Modes
O
Port 3
Port 2
Port 1
Port 0
The shaded units are not available in the C540U.
D+
D-
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