參數(shù)資料
型號(hào): SAF-C517A-4R24M
廠(chǎng)商: SIEMENS A G
元件分類(lèi): 微控制器/微處理器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
文件頁(yè)數(shù): 3/67頁(yè)
文件大小: 479K
代理商: SAF-C517A-4R24M
Semiconductor Group
3
1997-10-01
8-Bit CMOS Microcontroller
Advance Information
C517A
Full upward compatibility with SAB 80C517A/83C517A-5
Up to 24 MHz external operating frequency
– 500 ns instruction cycle at 24 MHz operation
Superset of the 8051 architecture with 8 datapointers
On-chip emulation support logic (Enhanced Hooks Technology
TM
)
32K byte on-chip ROM (with optional ROM protection)
– alternatively up to 64K byte external program memory
Up to 64K byte external data memory
256 byte on-chip RAM
Additional 2K byte on-chip RAM (XRAM)
Seven 8-bit parallel I/O ports
Two input ports for analog/digital input
(further features are on next page)
Figure 1
C517A Functional Units
MCA03317
Port 0
Port 1
Port 2
XRAM
2K x 8
RAM
256 x 8
T0
T1
MDU
ROM
32k x 8
I/O
(8 Datapointer)
I/O
Analog/
Digital
Input
Port 3
CPU
Port 8
Input
Digital
Analog/
Port 7
Port 6
Port 5
Port 4
Watchdog
Timer
Oscillator
Watchdog
10-Bit
A/D Converter
8 Bit
USART
UART
8 Bit
Timer
Compare
T2
CCU
Power
Saving
Modes
O
I/O
I/O
I/O
I/O
I/O
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