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C8051F345 Datasheet

  • C8051F345

  • Full Speed USB Flash MCU Family

  • 3090.67KB

  • 288頁

  • SILABS

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C8051F340/1/2/3/4/5/6/7
Full Speed USB Flash MCU Family
Analog Peripherals
-
10-Bit ADC
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Two comparators
-
Internal voltage reference
-
Brown-out detector and POR Circuitry
USB Function Controller
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USB specification 2.0 compliant
-
Full speed (12 Mbps) or low speed (1.5 Mbps) operation
-
Integrated clock recovery; no external crystal required for
-
-
-
On-Chip Debug
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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
full speed or low speed
Supports eight flexible endpoints
1 kB USB buffer memory
Integrated transceiver; no external resistors required
Up to 200 ksps
Built-in analog multiplexer with single-ended and
differential mode
VREF from external pin, internal reference, or V
DD
Built-in temperature sensor
External conversion start input option
HIgh Speed 8051 碌C Core
-
Pipelined instruction architecture; executes 70% of
-
-
Memory
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4352 or 2304 Bytes RAM
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64 or 32 kB Flash; In-system programmable in 512-byte
sectors
Instructions in 1 or 2 system clocks
48 MIPS and 25 MIPS versions available.
Expanded interrupt handler
Digital Peripherals
-
40/25 Port I/O; All 5 V tolerant with high sink current
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Hardware enhanced SPI鈩? SMBus鈩? and one or two
-
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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
Voltage Supply Input: 2.7 to 5.25 V
-
Voltages from 3.6 to 5.25 V supported using On-Chip
Voltage Regulator
-
-
Packages
-
48-pin TQFP (C8051F340/1/4/5)
-
32-pin LQFP (C8051F342/3/6/7)
Temperature Range: 鈥?0 to +85 擄C
ANALOG
PERIPHERALS
A
M
U
X
DIGITAL I/O
CROSSBAR
UART0
UART1
SPI
SMBus
PCA
4 Timers
Port 0
Ext. Memory I/F
Port 1
Port 2
Port 3
Port 4
10-bit
200 ksps
ADC
VREF
+
-
+
-
TEMP
SENSOR
VREG
48 Pin Only
PRECISION INTERNAL
OSCILLATORS
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. 1.0 8/06
Copyright 漏 2006 by Silicon Laboratories
C8051F34x
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

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