C8051F310DK Silicon Laboratories Inc, C8051F310DK Datasheet - Page 207
C8051F310DK
Manufacturer Part Number
C8051F310DK
Description
DEV KIT FOR C8051F310/F311
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F310DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F31x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F310
Silicon Family Name
C8051F31x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051, F310, 311 MCUs
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1253
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F310DK
Manufacturer:
SiliconL
Quantity:
10
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18.2.2. Software Timer (Compare) Mode
In Software Timer mode, the PCA counter/timer value is compared to the module's 16-bit capture/compare
register (PCA0CPHn and PCA0CPLn). When a match occurs, the Capture/Compare Flag (CCFn) in
PCA0CN is set to logic 1 and an interrupt request is generated if CCF interrupts are enabled. The CCFn bit
is not automatically cleared by hardware when the CPU vectors to the interrupt service routine, and must
be cleared by software. Setting the ECOMn and MATn bits in the PCA0CPMn register enables Software
Timer mode.
Important Note About Capture/Compare Registers: When writing a 16-bit value to the PCA0 Capture/
Compare registers, the low byte should always be written first. Writing to PCA0CPLn clears the ECOMn bit
to ‘0’; writing to PCA0CPHn sets ECOMn to ‘1’.
PCA0CPLn
Write to
Reset
PCA0CPHn
Write to
0
1
ENB
ENB
Figure 18.5. PCA Software Timer Mode Diagram
W
M
P
1
6
n
x
C
O
M
E
n
PCA0CPMn
C
A
P
P
n
0 0
C
A
P
N
n
M
A
T
n
O
G
T
n
0 0
W
P
M
n
E
C
C
F
n
x
Enable
PCA
Timebase
Rev. 1.7
PCA0CPLn
PCA0L
16-bit Comparator
C8051F310/1/2/3/4/5/6/7
PCA0CPHn
PCA0H
Match
C
F
C
R
PCA0CN
0
1
C
C
F
4
C
C
F
3
C
C
F
2
C
C
F
1
PCA Interrupt
C
C
F
0
207
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