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C8051F921 参数 Datasheet PDF下载

C8051F921图片预览
型号: C8051F921
PDF下载: 下载PDF文件 查看货源
内容描述: 25 MIPS , 8 kB的闪存,超低功耗,电容式感应MCU [25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU]
分类和应用: 闪存
文件页数/大小: 2 页 / 48 K
品牌: SILABS [ SILICON LABORATORIES ]
 浏览型号C8051F921的Datasheet PDF文件第2页  
C8051F99x
25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU
Capacitance to Digital Converter
-
Supports buttons, sliders, wheels, and capacitive proximity
-
-
16-bit resolution
-
Up to 14 input channels
-
Auto-accumulate up to 64x samples
sensing
Fast 40 µs per channel conversion time
High-Speed 8051 µC Core
-
Pipe-lined instruction architecture; executes 70% of instructions
in 1 or 2 system clocks
-
25 MIPS peak throughput with 25 MHz clock
-
Expanded interrupt handler
Memory
-
512 bytes internal data RAM (256 + 256)
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8 kB Flash; In-system programmable in 512 byte sectors; Full
read/write/erase functionality over the entire supply range
Ultra-Low Power
-
150 µA/MHz active current from 1.8–3.6 V @ 25 MHz
-
10 nA sleep current with data retention; BOD disabled
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50 nA sleep current with data retention; BOD enabled
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300 nA sleep current with smaRTClock (internal oscillator)
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600 nA sleep current with smaRTClock (external crystal)
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2 µs wake up from sleep
Supply Voltage 1.8 to 3.6 V
-
Built-in brown-out detector
-
On-chip LDO regulator for core supply
Analog to Digital Converter
On-Chip Debug
-
On-chip debug circuitry facilitates full speed, non-intrusive in-
system debug
-
-
-
-
-
-
75 ksps with 12-bit resolution (F990/6)
330 ksps with 8-bit resolution
Up to 10-channels
Autonomous burst mode with 16-bit averaging accumulator
VREF from external pin, VDD, or internal regulator
Built-in temperature sensor
Digital Peripherals
-
17 port I/O; Programmable drive strength
-
Hardware enhanced UART, SPI and SMBus™ serial ports
-
CRC block provides 16-Bit CCITT polynomial calculation
-
Four general purpose 16-bit counter/timers
-
16-bit programmable counter array (PCA) with three capture/
compare modules and enhanced PWM functionality
Internal 6-Bit Current Reference
Clock Sources
-
24.5 MHz ±2% oscillator; supports crystal-less UART operation
-
Low power internal oscillator: 20 MHz
-
External oscillator: Crystal, RC, C, CMOS clock
-
Can switch clock sources on-the-fly; useful for power saving
modes
-
2 ranges: source or sink capability
-
Up to 14-bit resolution via PWM interpolation
Comparator
-
Programmable hysteresis and response time
-
Configurable as interrupt or reset source
-
Low current (< 0.4 µA)
Development Kit: C8051F996DK
Temperature Range: -40 to +85 °C
Package Options
-
24-pin QFN (4x4 mm), RoHS compliant
-
24-pin QSOP (easy to hand solder) RoHS compliant
-
20-pin QFN (3x3 mm), RoHS compliant
Power On
Reset/PMU
Wake
Reset
CIP-51 8051
Controller Core
8 kB ISP Flash
Program Memory
256 Byte SRAM
256 Byte XRAM
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
SMBus
SPI
Crossbar Control
Port 1
Drivers
Priority
Crossbar
Decoder
Port 0
Drivers
C2CK/RST
Debug /
Programming
Hardware
C2D
P0.0/VREF
P0.1/AGND
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7/IREF0
P1.0/CP0+
P1.1/CP0-
P1.2
P1.3
P1.4
P1.5
P1.6/XTAL3
P1.7/XTAL4
P2.7/C2D
VDD
VREG
CRC
Engine
Digital
Power
SYSCLK
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
XTAL3
XTAL4
External
Oscillator
Circuit
SmaRTClock
Oscillator
SFR
Bus
Analog Peripherals
6-bit
IREF
Internal
VREF
External
VREF
A
M
U
X
CP0
VDD
VREF
Temp
Sensor
GND
+
-
IREF0
Port 2
Drivers
GND
12-bit
ADC
14-Channel
Capacitance
To Digital
Converter
System Clock
Configuration
P1.0
P1.1
Comparator
Ultra Low-Power MCU
Copyright © 2010 by Silicon Laboratories
5.18.2010