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What is C8051F344?

This electronic component, produced by the manufacturer "SilAbs", performs the same function as "Full Speed USB Flash MCU".


C8051F344 Datasheet PDF - SilAbs

Part Number C8051F344
Description Full Speed USB Flash MCU
Manufacturers SilAbs 
Logo SilAbs Logo 


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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Full Speed USB Flash MCU Family
Analog Peripherals
- 10-Bit ADC (C8051F340/1/2/3/4/5/6/7/A/B only)
Up to 200 ksps
Built-in analog multiplexer with single-ended and
differential mode
VREF from external pin, internal reference, or VDD
Built-in temperature sensor
External conversion start input option
- Two comparators
- Internal voltage reference
(C8051F340/1/2/3/4/5/6/7/A/B only)
- Brown-out detector and POR Circuitry
USB Function Controller
- USB specification 2.0 compliant
- Full speed (12 Mbps) or low speed (1.5 Mbps) operation
- Integrated clock recovery; no external crystal required for
full speed or low speed
- Supports eight flexible endpoints
- 1 kB USB buffer memory
- Integrated transceiver; no external resistors required
On-Chip Debug
- On-chip debug circuitry facilitates full speed, non-intru-
sive in-system debug (No emulator required)
- Provides breakpoints, single stepping,
inspect/modify memory and registers
- Superior performance to emulation systems using
ICE-chips, target pods, and sockets
Voltage Supply Input: 2.7 to 5.25 V
- Voltages from 3.6 to 5.25 V supported using On-Chip
Voltage Regulator
HIgh Speed 8051 µC Core
- Pipelined instruction architecture; executes 70% of
Instructions in 1 or 2 system clocks
- 48 MIPS and 25 MIPS versions available.
- Expanded interrupt handler
Memory
- 4352 or 2304 Bytes RAM
- 64 or 32 kB Flash; In-system programmable in 512-byte
sectors
Digital Peripherals
- 40/25 Port I/O; All 5 V tolerant with high sink current
- Hardware enhanced SPI™, SMBus™, and one or two
enhanced UART serial ports
- Four general purpose 16-bit counter/timers
- 16-bit programmable counter array (PCA) with five cap-
ture/compare modules
- External Memory Interface (EMIF)
Clock Sources
- Internal Oscillator: ±0.25% accuracy with clock recovery
enabled. Supports all USB and UART modes
- External Oscillator: Crystal, RC, C, or clock (1 or 2 Pin
modes)
- Low Frequency (80 kHz) Internal Oscillator
- Can switch between clock sources on-the-fly
Packages
- 48-pin TQFP (C8051F340/1/4/5/8/C)
- 32-pin LQFP (C8051F342/3/6/7/9/A/B/D)
- 5x5 mm 32-pin QFN (C8051F342/3/6/7/9/A/B)
Temperature Range: –40 to +85 °C
ANALOG
PERIPHERALS
A 10-bit +
M
U
200 ksps
+
-
X ADC -
TEMP
SENSOR
VREF
VREG
C8051F340/1/2/34/5/6/7/A/B Only
PRECISION INTERNAL
OSCILLATORS
DIGITAL I/O
UART0
UART1*
SPI
SMBus
PCA
Port 0
Port 1
Port 2
4 Timers
Port 3
48 Pin Only
Port 4
* C8051F340/1/4/5/8/A/B/C Only
USB Controller /
Transceiver
HIGH-SPEED CONTROLLER CORE
64/32 kB
ISP FLASH
FLEXIBLE
INTERRUPTS
8051 CPU
(48/25 MIPS)
DEBUG
CIRCUITRY
4/2 kB RAM
POR WDT
Rev. 1.4 9/09
Copyright © 2009 by Silicon Laboratories
C8051F34x

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C8051F344 equivalent
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
14.5.1.System Clock Selection ......................................................................... 139
14.5.2.USB Clock Selection .............................................................................. 139
15. Port Input/Output.................................................................................................. 142
15.1.Priority Crossbar Decoder .............................................................................. 144
15.2.Port I/O Initialization ....................................................................................... 147
15.3.General Purpose Port I/O ............................................................................... 150
16. Universal Serial Bus Controller (USB0).............................................................. 159
16.1.Endpoint Addressing ...................................................................................... 160
16.2.USB Transceiver ............................................................................................ 160
16.3.USB Register Access ..................................................................................... 162
16.4.USB Clock Configuration................................................................................ 166
16.5.FIFO Management ......................................................................................... 167
16.5.1.FIFO Split Mode ..................................................................................... 167
16.5.2.FIFO Double Buffering ........................................................................... 168
16.5.3.FIFO Access .......................................................................................... 168
16.6.Function Addressing....................................................................................... 169
16.7.Function Configuration and Control................................................................ 169
16.8.Interrupts ........................................................................................................ 172
16.9.The Serial Interface Engine ............................................................................ 176
16.10.Endpoint0 ..................................................................................................... 176
16.10.1.Endpoint0 SETUP Transactions .......................................................... 177
16.10.2.Endpoint0 IN Transactions................................................................... 177
16.10.3.Endpoint0 OUT Transactions............................................................... 178
16.11.Configuring Endpoints1-3 ............................................................................. 180
16.12.Controlling Endpoints1-3 IN.......................................................................... 180
16.12.1.Endpoints1-3 IN Interrupt or Bulk Mode............................................... 180
16.12.2.Endpoints1-3 IN Isochronous Mode..................................................... 181
16.13.Controlling Endpoints1-3 OUT...................................................................... 183
16.13.1.Endpoints1-3 OUT Interrupt or Bulk Mode........................................... 183
16.13.2.Endpoints1-3 OUT Isochronous Mode................................................. 184
17. SMBus ................................................................................................................... 188
17.1.Supporting Documents ................................................................................... 189
17.2.SMBus Configuration...................................................................................... 189
17.3.SMBus Operation ........................................................................................... 189
17.3.1.Arbitration............................................................................................... 190
17.3.2.Clock Low Extension.............................................................................. 191
17.3.3.SCL Low Timeout................................................................................... 191
17.3.4.SCL High (SMBus Free) Timeout .......................................................... 191
17.4.Using the SMBus............................................................................................ 191
17.4.1.SMBus Configuration Register............................................................... 192
17.4.2.SMB0CN Control Register ..................................................................... 195
17.4.3.Data Register ......................................................................................... 198
17.5.SMBus Transfer Modes.................................................................................. 198
17.5.1.Master Transmitter Mode ....................................................................... 198
17.5.2.Master Receiver Mode ........................................................................... 200
Rev. 1.3
5


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Featured Datasheets

Part NumberDescriptionMFRS
C8051F340The function is Full Speed USB Flash MCU. SilAbsSilAbs
C8051F340The function is Full Speed USB Flash MCU. Silicon LaboratoriesSilicon Laboratories
C8051F341The function is Full Speed USB Flash MCU. SilAbsSilAbs

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