C8051F346 Silicon Laboratories Inc, C8051F346 Datasheet
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C8051F346
Manufacturer Part Number
C8051F346
Description
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F346.pdf
(288 pages)
Specifications of C8051F346
Case
TQFP32
Date_code
07+
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Analog Peripherals
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USB Function Controller
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On-Chip Debug
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Voltage Supply Input: 2.7 to 5.25 V
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Rev. 1.0 8/06
10-Bit ADC
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Two comparators
Internal voltage reference
Brown-out detector and POR Circuitry
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 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
Voltages from 3.6 to 5.25 V supported using On-Chip
Voltage Regulator
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Up to 200 ksps
Built-in analog multiplexer with single-ended and
differential mode
VREF from external pin, internal reference, or V
Built-in temperature sensor
External conversion start input option
PRECISION INTERNAL
M
SENSOR
U
A
X
INTERRUPTS
TEMP
PERIPHERALS
ISP FLASH
FLEXIBLE
Copyright © 2006 by Silicon Laboratories
64/32 kB
OSCILLATORS
200 ksps
ANALOG
HIGH-SPEED CONTROLLER CORE
10-bit
ADC
VREF
DD
+
-
VREG
+
-
(48/25 MIPS)
CIRCUITRY
8051 CPU
DEBUG
HIgh Speed 8051 µC Core
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Memory
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Digital Peripherals
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Clock Sources
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Packages
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Temperature Range: –40 to +85 °C
4 Timers
48 Pin Only
UART0
UART1
SMBus
C8051F340/1/2/3/4/5/6/7
PCA
SPI
USB Controller /
DIGITAL I/O
Pipelined instruction architecture; executes 70% of
Instructions in 1 or 2 system clocks
48 MIPS and 25 MIPS versions available.
Expanded interrupt handler
4352 or 2304 Bytes RAM
64 or 32 kB Flash; In-system programmable in 512-byte
sectors
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)
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
48-pin TQFP (C8051F340/1/4/5)
32-pin LQFP (C8051F342/3/6/7)
Transceiver
Full Speed USB Flash MCU Family
4/2 kB RAM
POR
Port 0
Port 1
Port 2
Port 3
Port 4
WDT
C8051F34x
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