C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 225

• Manufacturer Part Number: C8051F340-GQR
• Description: MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F340-GQR

• Package: 48TQFP
• Device Core: 8051
• Family Name: C8051F34x
• Maximum Speed: 48 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/SMBus/SPI/UART/USB
• On-chip Adc: 17-chx10-bit
• Number Of Timers: 4
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

Figure 20.4. 4-Wire Single Master Mode and Slave Mode Connection Diagram
Figure 20.3. 3-Wire Single Master and Slave Mode Connection Diagram
Figure 20.2. Multiple-Master Mode Connection Diagram
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Device 1
Master
Master
Device
Master
Device
GPIO
MISO
MOSI
MISO
MOSI
GPIO
MISO
MOSI
NSS
SCK
SCK
NSS
SCK
Rev. 1.3
GPIO
MISO
MOSI
SCK
NSS
MISO
MOSI
SCK
NSS
MISO
MOSI
SCK
NSS
MISO
MOSI
SCK
Device 2
Master
Device
Device
Device
Slave
Slave
Slave
225