C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 23

• 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

C2CK/RST
VREG
VBUS
GND
VDD
D+
D-
Power-On
Regulator
Monitor
Voltage
Supply
Reset
C2D
XTAL1
XTAL2
Reset
Power
Net
System Clock Setup
Transceiver
Oscillator
Oscillator
Recovery
External
Full / Low
Internal
Debug / Programming
64/32 kB ISP FLASH
Clock
USB Peripheral
Speed
Controller Core
Figure 1.5. C8051F34A/B Block Diagram
Program Memory
CIP-51 8051
256 Byte RAM
4/2 kB XRAM
Hardware
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Oscillator*
Low Freq.
1 kB RAM
Controller
Multiplier
Clock
SFR
Bus
Rev. 1.3
VDD
10-bit
ADC
Timers 0, 1,
200 ksps
PCA/WDT
VREF
Analog Peripherals
Digital Peripherals
UART0
UART1
SMBus
Port I/O Configuration
2, 3
SPI
Crossbar Control
VREF
M
A
U
X
2 Comparators
Crossbar
Decoder
Priority
CP0
CP1
Sensor
VDD
Temp
+
+
-
-
AIN0 - AIN20
Drivers
Drivers
Drivers
Drivers
Port 0
Port 1
Port 2
Port 3
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4
P0.5
P0.6/CNVSTR
P0.7/VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0/C2D
23