C8051F310/1/2/3/4/5/6/7
8/16 kB ISP Flash MCU Family
Analog Peripherals
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10-Bit ADC (C8051F310/1/2/3/6 only)
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•
•
•
•
High Speed 8051 µC Core
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Pipelined instruction architecture; executes 70% of
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Memory
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1280 bytes internal data RAM (1024 + 256)
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16 kB (C8051F310/1/6/7) or 8 kB (C8051F312/3/4/5)
Flash; In-system programmable in 512-byte sectors
instructions in 1 or 2 system clocks
Up to 25 MIPS throughput with 25 MHz clock
Expanded interrupt handler
Up to 200 ksps
Up to 21, 17, or 13 external single-ended or differen-
tial inputs
VREF from external pin or V
DD
Built-in temperature sensor
External conversion start input
Programmable hysteresis and response time
Configurable as interrupt or reset source
(Comparator0)
Low current (< 0.5 µA)
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Comparators
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On-Chip Debug
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On-chip debug circuitry facilitates full speed,
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non-intrusive 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
Complete development kit
Digital Peripherals
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29/25/21 Port I/O;
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All 5 V tolerant with high sink current
Hardware enhanced UART, SMBus™, and SPI™
serial ports
Four general purpose 16-bit counter/timers
16-bit programmable counter array (PCA) with five
capture/compare modules
Real time clock capability using PCA or timer and
external clock source
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Supply Voltage 2.7 to 3.6 V
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Typical operating current:
5 mA at 25 MHz;
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Typical stop mode current:
Temperature range:
11 µA at 32 kHz
0.1 µA
–40 to +85 °C
Clock Sources
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Internal oscillator: 24.5 MHz with ±2% accuracy
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supports crystal-less UART operation
External oscillator: Crystal, RC, C, or clock (1 or 2
pin modes)
Can switch between clock sources on-the-fly; useful
in power saving modes
Packages
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32-pin LQFP (C8051F310/2/4)
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28-pin QFN (C8051F311/3/5)
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24-pin QFN (C8051F316/7)
CROSSBAR
ANALOG
PERIPHERALS
A
M
U
X
DIGITAL I/O
UART
SMBus
SPI
PCA
Timer 0
Timer 1
Timer 2
Timer 3
Port 0
Port 1
Port 2
Port 3
10-bit
200ksps
ADC
+
-
+
-
VOLTAGE
COMPARATORS
TEMP
SENSOR
C8051F310/1/2/3/6 only
PROGRAMMABLE PRECISION INTERNAL
OSCILLATOR
HIGH-SPEED CONTROLLER CORE
16 kB/8 kB
ISP FLASH
14
INTERRUPTS
8051 CPU
(25MIPS)
DEBUG
CIRCUITRY
1280 B
SRAM
POR
WDT
Rev. 1.7
8/06
Copyright © 2006 by Silicon Laboratories
C8051F31x
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
SILABS [ SILICON LABORATORIES ]
