参数资料
型号: TOOLSTICK300DC
厂商: Silicon Laboratories Inc
文件页数: 68/178页
文件大小: 0K
描述: TOOLSTICK DAUGHTER CARD
标准包装: 1
系列: ToolStick
类型: MCU
适用于相关产品: C8051F300
所含物品: 子卡
C8051F300/1/2/3/4/5
16
Rev. 2.9
1.1.
CIP-51 Microcontroller Core
1.1.1. Fully 8051 Compatible
The C8051F300/1/2/3/4/5 family utilizes Silicon Labs' proprietary CIP-51 microcontroller core. The CIP-51
is fully compatible with the MCS-51 instruction set; standard 803x/805x assemblers and compilers can
be used to develop software. The CIP-51 core offers all the peripherals included with a standard 8052,
including two standard 16-bit counter/timers, one enhanced 16-bit counter/timer with external oscillator
input, a full-duplex UART with extended baud rate configuration, 256 bytes of internal RAM, 128 byte Spe-
cial Function Register (SFR) address space, and a byte-wide I/O Port.
1.1.2. Improved Throughput
The CIP-51 employs a pipelined architecture that greatly increases its instruction throughput over the stan-
dard 8051 architecture. In a standard 8051, all instructions except for MUL and DIV take 12 or 24 system
clock cycles to execute with a maximum system clock of 12 to 24 MHz. By contrast, the CIP-51 core exe-
cutes 70% of its instructions in one or two system clock cycles, with only four instructions taking more than
four system clock cycles.
The CIP-51 has a total of 109 instructions. The table below shows the total number of instructions that
require each execution time.
With the CIP-51's maximum system clock at 25 MHz, it has a peak throughput of 25 MIPS. Figure 1.3
shows a comparison of peak throughputs for various 8-bit microcontroller cores with their maximum sys-
tem clocks.
Figure 1.3. Comparison of Peak MCU Execution Speeds
Clocks to Execute
1
2
2/3
3
3/4
4
4/5
5
8
Number of Instructions
26
50
5
14
7
3
1
2
1
5
10
15
20
ADuC812
8051
(16 MHz clk)
Philips
80C51
(33 MHz clk)
Microchip
PIC17C75x
(33 MHz clk)
Silicon Labs
CIP-51
(25 MHz clk)
MIPS
25
相关PDF资料
PDF描述
TOOLSTICK411DC TOOLSTICK DAUGHTER CARD
TOOLSTICK336DC DAUGHTER CARD TOOLSTICK C8051F33
SDR-2 SCOTCH CODE REFILL # 2
0210490198 CABLE JUMPER 1.25MM .127M 14POS
RSM08DRTH CONN EDGECARD 16POS DIP .156 SLD
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