C8051F349-GMR Silicon Labs, C8051F349-GMR Datasheet - Page 22
![no-image](/images/no-image-200.jpg)
C8051F349-GMR
Manufacturer Part Number
C8051F349-GMR
Description
8-bit Microcontrollers - MCU 25 MIPS 32KB USB MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F349-GMR.pdf
(276 pages)
Specifications of C8051F349-GMR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
22
C2CK/RST
VREG
VBUS
VDD
GND
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 1.4. C8051F349/D Block Diagram
Program Memory
CIP-51 8051
256 Byte RAM
4/2 kB XRAM
Hardware
Low Freq.
1 kB RAM
Multiplier
Oscillator
Controller
Clock
SFR
Bus
Rev. 1.3
Timers 0, 1,
Analog Peripherals
PCA/WDT
Digital Peripherals
UART0
SMBus
Port I/O Configuration
2, 3
SPI
Crossbar Control
2 Comparators
CP0
CP1
+
+
-
-
Crossbar
Decoder
Priority
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
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