C8051F366-GQ Silicon Laboratories Inc, C8051F366-GQ Datasheet - Page 271
![IC 8051 MCU 32K FLASH 32-LQFP](/photos/28/60/286097/c8051f366-gq_sml.jpg)
C8051F366-GQ
Manufacturer Part Number
C8051F366-GQ
Description
IC 8051 MCU 32K FLASH 32-LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F36xr
Specifications of C8051F366-GQ
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-LQFP
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
29
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
29
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F360DK
Minimum Operating Temperature
- 40 C
On-chip Adc
21-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Package
32LQFP
Device Core
8051
Family Name
C8051F36x
Maximum Speed
50 MHz
Operating Supply Voltage
3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1410 - KIT DEV FOR C8051F360 FAMILY
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1648
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F366-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F366-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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22.2.5. 8-Bit Pulse Width Modulator Mode
Each module can be used independently to generate pulse width modulated (PWM) outputs on its associ-
ated CEXn pin. The frequency of the output is dependent on the timebase for the PCA0 counter/timer. The
duty cycle of the PWM output signal is varied using the module's PCA0CPLn capture/compare register.
When the value in the low byte of the PCA0 counter/timer (PCA0L) is equal to the value in PCA0CPLn, the
output on the CEXn pin will be high. When the count value in PCA0L overflows, the CEXn output will be
low (see Figure 22.8). Also, when the counter/timer low byte (PCA0L) overflows from 0xFF to 0x00,
PCA0CPLn is reloaded automatically with the value stored in the counter/timer's high byte (PCA0H) with-
out software intervention. Setting the ECOMn and PWMn bits in the PCA0CPMn register enables 8-Bit
Pulse Width Modulator mode. The duty cycle for 8-Bit PWM Mode is given by Equation 22.2.
Using Equation 22.2, the largest duty cycle is 100% (PCA0CPHn = 0), and the smallest duty cycle is
0.39% (PCA0CPHn = 0xFF). A 0% duty cycle may be generated by clearing the ECOMn bit to ‘0’.
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’.
W
P
M
1
6
n
0
PCA0CPMn
O
M
E
C
n
C
A
P
P
n
0 0 0 0
C
A
P
N
n
M
A
T
n
O
G
T
n
W
M
P
n
C
C
E
F
n
0
PCA Timebase
Enable
Figure 22.8. PCA 8-Bit PWM Mode Diagram
Equation 22.2. 8-Bit PWM Duty Cycle
PCA0CPHn
Comparator
PCA0CPLn
PCA0L
8-bit
DutyCycle
Overflow
=
match
C8051F360/1/2/3/4/5/6/7/8/9
Rev. 1.0
(
-------------------------------------------------- -
256 PCA0CPHn
S
R
SET
CLR
–
Q
Q
256
CEXn
)
Crossbar
Port I/O
271
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