C8051F52X Datasheet, PDF (20/220 Pages) Silicon Laboratories – 8/4/2 kB ISP Flash MCU Family

C8051F52x-53x
VREGIN
(2.7–5.25 V)
VDD
GND
LDO
(GPIO)
(VDD)
8
0
5
C2D
Debug HW
1
RST/C2CK
Reset
VDD
Monitor
XTAL1 _External
XTAL2 ^Oscillator
Circuit
WDT
C
o
System
Clock
r
e
Precision
Oscillator
±0.5%
SFR Bus
8 kB
Flash
256 bytes
RAM
UART0
SPI Bus
PCA(3 ch.)
Timers
0,1,2
Port 0
Latch
LIN 2.0
P
C
0
R
O
S
D
S
B
r
A
v
R
VREF
VDD
VREF
TEMP
SENSOR
A
M
U
X
Reference Voltage
5 V ADC
200 ksps
(12-Bit)
CP0
+
-
Figure 1.2. C8051F520 Block Diagram
P0.0/VREF
P0.1/C2D
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX/
CNVSTR
20
Rev. 0.3