C8051F302-GMR Silicon Laboratories Inc, C8051F302-GMR Datasheet - Page 161

IC 8051 MCU 8K FLASH 11QFN

C8051F302-GMR

Manufacturer Part Number
C8051F302-GMR
Description
IC 8051 MCU 8K FLASH 11QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F30xr
Datasheets

Specifications of C8051F302-GMR

Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
8
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
11-VQFN
For Use With
336-1444 - ADAPTER PROGRAM TOOLSTICK F300
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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16.2.4. Frequency Output Mode
Frequency Output Mode produces a programmable-frequency square wave on the module’s associated
CEXn pin. The capture/compare module high byte holds the number of PCA clocks to count before the out-
put is toggled. The frequency of the square wave is then defined by Equation 16.1.
Where F
PCA0MD. The lower byte of the capture/compare module is compared to the PCA counter low byte; on a
match, CEXn is toggled and the offset held in the high byte is added to the matched value in PCA0CPLn.
Frequency Output Mode is enabled by setting the ECOMn, TOGn, and PWMn bits in the PCA0CPMn reg-
ister.
PCA0CPLn
Write to
Reset
PCA
PCA0CPHn
Write to
is the frequency of the clock selected by the CPS2–0 bits in the PCA mode register,
0
1
ENB
ENB
Equation 16.1. Square Wave Frequency Output
Figure 16.7. PCA Frequency Output Mode
W
M
P
1
6
n
x
O
M
E
C
n
PCA0CPMn
C
A
P
P
n
0 0 0
C
N
A
P
n
M
A
T
n
O
G
T
n
W
M
P
n
C
C
E
F
n
x
PCA Timebase
F
CEXn
Enable
=
Comparator
PCA0CPLn
Rev. 2.9
---------------------------------------- -
2
PCA0L
8-bit
PCA0CPHn
F
PCA
match
C8051F300/1/2/3/4/5
Enable
Adder
8-bit Adder
Toggle
TOGn
0
1
CEXn
PCA0CPHn
Crossbar
Port I/O
161

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