C8051F331-GMR Silicon Laboratories Inc, C8051F331-GMR Datasheet
C8051F331-GMR
Manufacturer Part Number
C8051F331-GMR
Description
IC 8051 MCU 8K FLASH 20QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Specifications of C8051F331-GMR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
For Use With
336-1451 - ADAPTER PROGRAM TOOLSTICK F330336-1264 - DEV KIT FOR C8051F330/F331
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F331-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Analog Peripherals
Comparator
-
-
-
On-Chip Debug
-
-
-
-
Supply Voltage: 2.7 to 3.6 V
-
-
Temperature Range: –40 to +85 °C
Small Form Factor
Programmable hysteresis and response time
Configurable to generate interrupts or reset
Low current (0.4 µA)
On-chip debug circuitry facilitates full speed, non-intrusive in-system
debug (no emulator required)
Provides breakpoints, single stepping, watchpoints
Inspect/modify memory, registers, and stack
Superior performance to emulation systems using ICE-chips, target
pods, and sockets
Typical operating current: 6.4 mA at 25 MHz
Typical stop mode current: <0.1 µA
RST/C2CK
GND
VDD
XTAL1
XTAL2
Analog/Digital
24.5 MHz (2%)
Power
C2D
Oscillator
Oscillator
Internal
Internal
80 kHz
Oscillator
External
Circuit
POR
9 µA at 32 kHz
Brown-
Out
Debug HW
System Clock
Reset
Copyright © 2011 by Silicon Laboratories
C
8
0
5
1
o
e
r
SFR Bus
256 Byte
512 Byte
FLASH
SRAM
XRAM
8 kB
25 MIPS, 8 kB Flash, 20-Pin Mixed-Signal MCU
High-Speed 8051 µC Core
-
-
-
Memory
-
-
Digital Peripherals
-
-
-
-
-
Clock Sources
-
-
-
Package
-
Ordering Part Numbers
-
Pipelined instruction architecture; executes 70% of instructions in 1 or 2
system clocks
Up to 25 MIPS throughput with 25 MHz clock
Expanded interrupt handler
768 bytes data RAM
8 kB Flash; in-system programmable in 512 byte sectors (512 bytes are
reserved)
17 port I/O; all are 5 V tolerant
Hardware SMBus™ (I2C™ compatible), SPI™, and UART serial ports
available concurrently
Programmable 16-bit counter/timer array with three capture/compare
modules, WDT
4 general-purpose 16-bit counter/timers
Real-time clock mode using PCA or timer and external clock source
Two internal oscillators:
External oscillator: Crystal, RC, C, or Clock (1 or 2 pin modes)
Can switch between clock sources on-the-fly
20-pin QFN
Lead-free package: C8051F331-GM
-
-
25 MHz, 2% accuracy supports UART operation
80 kHz low frequency, low-power
Timer 0,
SMBus
Port 0
UART
1, 2, 3
3-Chnl
Port 1
Port 2
Latch
PCA/
WDT
Latch
Latch
SPI
X
B
A
R
CP0
+
-
P
D
P
D
0
v
1
v
r
r
C8051F331
C2D
P0.0/VREF
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVST
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0/C2D
1.10.2011
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C8051F331-GMR Summary of contents
Page 1
... Two internal oscillators MHz, 2% accuracy supports UART operation - 80 kHz low frequency, low-power - External oscillator: Crystal, RC Clock ( pin modes) - Can switch between clock sources on-the-fly Package - 20-pin QFN Ordering Part Numbers - Lead-free package: C8051F331-GM Port 0 Latch UART Timer 3-Chnl PCA/ WDT FLASH SMBus 0 ...
Page 2
... E2 2.00 2.15 2.35 e 0.5 L 0.45 0.55 0. 0.09 AA 0.435 BB 0.435 CC 0.18 DD 0.18 DETAIL Copyright © 2011 by Silicon Laboratories C8051F331 TYP MAX UNITS 3.6 V 6 µA 9 µA <0.1 µA 25 MHz 24.5 25.0 MHz 80 kHz 0.1 µs 7.6 µA 0.18 µs 3.2 µA 0.32 µ ...