C8051F020DK Silicon Laboratories Inc, C8051F020DK Datasheet - Page 245
C8051F020DK
Manufacturer Part Number
C8051F020DK
Description
DEV KIT FOR F020/F021/F022/F023
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheet
1.C8051F020DK.pdf
(272 pages)
Specifications of C8051F020DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F02x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F020
Silicon Family Name
C8051F02x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051 F020/021/022/023
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1200
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F020DK
Manufacturer:
SiliconL
Quantity:
10
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22.3.2. Mode 1: 16-bit Counter/Timer with Auto-Reload
The Counter/Timer with Auto-Reload mode sets the TF4 timer overflow flag when the counter/timer register over-
flows from 0xFFFF to 0x0000. An interrupt is generated if enabled. On overflow, the 16-bit value held in the two
capture registers (RCAP4H, RCAP4L) is automatically loaded into the counter/timer register and the timer is
restarted.
Counter/Timer with Auto-Reload mode is selected by clearing the CP/RL4 bit. Setting TR4 to logic 1 enables and
starts the timer. Timer 4 can use either the system clock or transitions on an external input pin (T2) as its clock source,
as specified by the C/T4 bit. If EXEN4 is set to logic 1, a high-to-low transition on T4EX will also cause a Timer 4
reload, and a Timer 4 interrupt if enabled. If EXEN4 is logic 0, transitions on T4EX will be ignored.
SYSCLK
T4EX
T4
12
Crossbar
EXEN4
M
T
4
CKCON
M
0
1
T
2
Figure 22.26. T4 Mode 1 Block Diagram
M
T
1
M
T
0
0
1
TR4
Rev. 1.4
Reload
TCLK
RCAP4L
TL4
RCAP4H
TH4
C8051F020/1/2/3
CP/RL4
EXEN4
RCLK0
TCLK0
EXF4
C/T4
TR4
TF4
Interrupt
245
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