C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 12

• 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

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
18. UART0
19. UART1 (C8051F340/1/4/5/8/A/B/C Only)
20. Enhanced Serial Peripheral Interface (SPI0)
22. Programmable Counter Array (PCA0)
12
Table 17.2. Minimum SDA Setup and Hold Times ................................................ 193
Table 17.3. Sources for Hardware Changes to SMB0CN ..................................... 197
Table 17.4. SMBus Status Decoding ..................................................................... 203
Table 18.1. Timer Settings for Standard Baud Rates 
Table 19.1. Baud Rate Generator Settings for Standard Baud Rates ................... 214
Table 20.1. SPI Slave Timing Parameters ............................................................ 234
Table 22.1. PCA Timebase Input Options ............................................................. 256
Table 22.2. PCA0CPM Register Settings for PCA Capture/Compare Modules .... 257
Table 22.3. Watchdog Timer Timeout Intervals1 ................................................... 265
Using the Internal Oscillator ............................................................... 212
Rev. 1.3