C8051F301-GMR Silicon Laboratories Inc, C8051F301-GMR Datasheet - Page 160
![IC 8051 MCU 8K FLASH 11QFN](/photos/12/15/121581/sl-11-mlp_sml.jpg)
C8051F301-GMR
Manufacturer Part Number
C8051F301-GMR
Description
IC 8051 MCU 8K FLASH 11QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F30xr
Specifications of C8051F301-GMR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), UART/USART
Peripherals
POR, PWM, 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
11-VQFN
Package
11QFN EP
Device Core
8051
Family Name
C8051F30x
Maximum Speed
25 MHz
Operating Supply Voltage
3.3 V
Data Bus Width
8 Bit
Number Of Programmable I/os
8
Interface Type
I2C/SMBus/UART
Number Of Timers
3
For Use With
336-1444 - ADAPTER PROGRAM TOOLSTICK F300336-1319 - REFERENCE DESIGN STEPPER MOTOR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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C8051F300/1/2/3/4/5
16.2.3. 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’.
160
PCA0CPLn
Write to
Reset
PCA0CPHn
Write to
Figure 16.6. PCA High Speed Output Mode Diagram
0
ENB
ENB
1
PCA
Timebase
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. 2.9
Match
Toggle
C
F
C
R
PCA0CN
TOGn
0
1
0
1
C
C
F
2
CEXn
C
C
F
1
C
C
F
0
PCA Interrupt
Crossbar
Port I/O
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