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PDF C8051F99x Data sheet ( Hoja de datos )
| Número de pieza | C8051F99x | |
| Descripción | Capacitive Sensing MCU | |
| Fabricantes | Silicon Laboratories | |
| Logotipo |  |
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C8051F99x
www.DataSheet4U.com
25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU
Capacitance to Digital Converter
- Supports buttons, sliders, wheels, and capacitive proximity
sensing
- Fast 40 µs per channel conversion time
- 16-bit resolution
- Up to 14 input channels
- Auto-accumulate up to 64x samples
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
- 50 nA sleep current with data retention; BOD enabled
- 300 nA sleep current with smaRTClock (internal oscillator)
- 600 nA sleep current with smaRTClock (external crystal)
- 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
- 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
Internal 6-Bit Current Reference
- 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
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)
- 8 kB Flash; In-system programmable in 512 byte sectors; Full
read/write/erase functionality over the entire supply range
On-Chip Debug
- On-chip debug circuitry facilitates full speed, non-intrusive in-
system debug
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
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
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
C2CK/RST
VDD
GND
Power On
Reset/PMU
Wake
Reset
Debug /
Programming
Hardware
CIP-51 8051
Controller Core
8 kB ISP Flash
Program Memory
256 Byte SRAM
256 Byte XRAM
C2D
VREG
Digital
Power
CRC
Engine
SYSCLK
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
External
Oscillator
Circuit
SFR
Bus
XTAL3
XTAL4
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
Priority
Crossbar
Decoder
SMBus
SPI
Crossbar Control
Analog Peripherals
6-bit
IREF
IREF0
Internal External
VREF
12-bit
ADC
VREF
A
M
U
X
VDD
VREF
Temp
Sensor
GND
CP0
+
-
Comparator
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
14-Channel
Capacitance
To Digital
Converter
P1.0
P1.1
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
Ultra Low-Power MCU
Copyright © 2010 by Silicon Laboratories
5.18.2010
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet C8051F99x.PDF ] | |
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