C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 160

• Manufacturer Part Number: C8051F331
• Description: IC 8051 MCU 8K FLASH 20MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F331

• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

C8051F330/1, C8051F330D
160
Figure 17.3. 3-Wire Single Master and 3-Wire Single Slave Mode Connection Diagram
Figure 17.4. 4-Wire Single Master Mode and 4-Wire Slave Mode Connection Diagram
Figure 17.2. Multiple-Master Mode Connection Diagram
Device 1
Master
Master
Device
Master
Device
GPIO
MISO
MOSI
GPIO
MISO
MOSI
MISO
MOSI
NSS
SCK
SCK
SCK
NSS
Rev. 1.2
GPIO
MISO
MOSI
SCK
NSS
NSS
MISO
MOSI
SCK
MISO
MOSI
SCK
MISO
MOSI
SCK
NSS
Device 2
Master
Device
Device
Device
Slave
Slave
Slave