C8051F124TB Silicon Laboratories Inc, C8051F124TB Datasheet - Page 331
C8051F124TB
Manufacturer Part Number
C8051F124TB
Description
MCU, MPU & DSP Development Tools With C8051F124 MCU
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F120DK.pdf
(350 pages)
Specifications of C8051F124TB
Processor To Be Evaluated
C8051F12x and C8051F13x
Interface Type
USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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24.2.3. High Speed Output Mode
In High Speed Output mode, a module’s associated CEXn pin is toggled each time a match occurs
between the PCA Counter and the module's 16-bit capture/compare register (PCA0CPHn and
PCA0CPLn) Setting the TOGn, MATn, and ECOMn bits in the PCA0CPMn register enables the High-
Speed Output 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
Figure 24.6. PCA High Speed Output Mode Diagram
0
ENB
ENB
1
PCA
Timebase
Enable
W
P
M
1
6
n
x
E
C
O
M
PCA0CPLn
n
PCA0CPMn
C
A
P
P
n
0 0
PCA0L
C
A
P
N
n
16-bit Comparator
M
A
T
n
O
G
T
n
W
M
P
n
0 x
C
C
E
F
n
PCA0CPHn
PCA0H
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
Match
Toggle
C
F
C
R
TOGn
0
1
PCA0CN
C8051F130/1/2/3
C
C
F
5
C
C
F
4
0
1
C
C
F
3
CEXn
C
C
F
2
PCA
Interrupt
C
C
F
1
C
C
F
0
Crossbar
Port I/O
331
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