C8051F333-GMR Silicon Laboratories Inc, C8051F333-GMR Datasheet - Page 20
![IC 8051 MCU 4K FLASH 20MLP](/photos/16/2/160285/qfn-20_sml.jpg)
C8051F333-GMR
Manufacturer Part Number
C8051F333-GMR
Description
IC 8051 MCU 4K FLASH 20MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Specifications of C8051F333-GMR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
17
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
Number Of Timers
4
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F330DK
Minimum Operating Temperature
- 40 C
For Use With
336-1451 - ADAPTER PROGRAM TOOLSTICK F330
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F333-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F330/1/2/3/4/5
1.1.
1.1.1. Fully 8051 Compatible
The C8051F330/1/2/3/4/5 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 four 16-bit counter/timers, a full-duplex UART with extended baud rate configuration, an
enhanced SPI port, 768 bytes of internal RAM, 128 byte Special Function Register (SFR) address space,
and 17 I/O pins.
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 1.7
shows a comparison of peak throughputs for various 8-bit microcontroller cores with their maximum sys-
tem clocks.
22
Number of Instructions
Clocks to Execute
CIP-51™ Microcontroller Core
Figure 1.7. Comparison of Peak MCU Execution Speeds
25
20
15
10
5
26
1
(25 MHz clk)
Silicon Labs
CIP-51
50
2
(33 MHz clk)
2/3
PIC17C75x
Rev. 1.7
5
Microchip
14
3
(33 MHz clk)
3/4
Philips
80C51
7
4
3
(16 MHz clk)
ADuC812
8051
4/5
1
5
2
8
1
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