C8051F020-TB Silicon Laboratories Inc, C8051F020-TB Datasheet - Page 255

BOARD PROTOTYPING W/C8051F020

C8051F020-TB

Manufacturer Part Number
C8051F020-TB
Description
BOARD PROTOTYPING W/C8051F020
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheets

Specifications of C8051F020-TB

Contents
Board
Processor To Be Evaluated
C8051F02x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F020
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
23.2.3. 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
0
ENB
ENB
1
PCA
Timebase
Figure 23.6. PCA High Speed Output Mode Diagram
Enable
W
M
P
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
0 x
n
E
C
C
F
n
PCA0CPHn
PCA0H
Rev. 1.4
Match
Toggle
C
F
C
R
TOGn
0
1
PCA0CN
C
C
F
C8051F020/1/2/3
4
0
1
C
C
F
3
CEXn
C
C
F
2
C
C
F
1
PCA Interrupt
C
C
F
0
Crossbar
Port I/O
255

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