C8051F344 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
MFG CO.
'C8051F344' PDF : 276 Pages View PDF
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
C2D
C2CK/RST
VDD
VREG
GND
D+
D-
VBUS
Reset
Power-On
Reset
Supply
Monitor
Power
Net
Voltage
Regulator
Debug / Programming
Hardware
CIP-51 8051
Controller Core
64/32k Byte ISP FLASH
Program Memory
256 Byte RAM
4/2k Byte XRAM
XTAL1
XTAL2
System Clock Setup
External
Oscillator
Internal
Oscillator
Clock
Multiplier
Clock
Recovery
Low Freq.
Oscillator
USB Peripheral
Full / Low
Speed
Transceiver
Controller
1k Byte
RAM
Port I/O Configuration
Digital Peripherals
UART0
UART1
Timers 0, 1,
2, 3
PCA/WDT
Priority
Crossbar
Decoder
Port 0
Drivers
Port 1
Drivers
SFR
Bus
SMBus
SPI
Crossbar Control
Port 2
Drivers
External Memory
Interface
P1
Control
Address
P2 / P3
P4
Data
Port 3
Drivers
Port 4
Drivers
Analog Peripherals
VREF
VDD
VREF
CP0
+
-
CP1
+
-
2 Comparators
10-bit
200ksps
ADC
A
VDD
AIN0 - AIN19
M
U
Temp
X
Sensor
Figure 1.1. C8051F340/1/4/5 Block Diagram
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6/XTAL1
P0.7/XTAL2
P1.0
P1.1
P1.2
P1.3
P1.4/CNVSTR
P1.5/VREF
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7
Rev. 1.3
19
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