PIC16F1937-E/MV Microchip Technology, PIC16F1937-E/MV Datasheet - Page 218

• Manufacturer Part Number: PIC16F1937-E/MV
• Description: 14KB Flash, 512B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1937-E/MV

• Processor Series: PIC16F
• Core: PIC
• Program Memory Type: Flash
• Program Memory Size: 14 KB
• Data Ram Size: 256 B
• Interface Type: MI2C, SPI, EUSART
• Number Of Timers: 5
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: UQFN-40
• Development Tools By Supplier: MPLAB IDE Software
• Minimum Operating Temperature: - 40 C
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / Rohs Status: Details

PIC16(L)F1934/6/7
23.3.6
The resolution determines the number of available duty
cycles for a given period. For example, a 10-bit resolution
will result in 1024 discrete duty cycles, whereas an 8-bit
resolution will result in 256 discrete duty cycles.
The maximum PWM resolution is 10 bits when PRx is
255. The resolution is a function of the PRx register
value as shown by
TABLE 23-5:
TABLE 23-6:
TABLE 23-7:
DS41364E-page 218
Timer Prescale (1, 4, 16)
PRx Value
Maximum Resolution (bits)
Timer Prescale (1, 4, 16)
PRx Value
Maximum Resolution (bits)
Timer Prescale (1, 4, 16)
PRx Value
Maximum Resolution (bits)
PWM Frequency
PWM Frequency
PWM Frequency
PWM RESOLUTION
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
Equation
23-4.
1.95 kHz
1.22 kHz
1.22 kHz
0xFF
0xFF
0x65
16
10
16
10
16
8
7.81 kHz
4.88 kHz
4.90 kHz
0xFF
0xFF
0x65
10
10
4
4
4
8
31.25 kHz
19.53 kHz
19.61 kHz
EQUATION 23-4:
0xFF
0xFF
Note:
0x65
10
10
1
1
1
8
Resolution
If the pulse width value is greater than the
period the assigned PWM pin(s) will
remain unchanged.
78.12 kHz
76.92 kHz
125 kHz
0x3F
0x3F
0x19
 2008-2011 Microchip Technology Inc.
1
8
1
8
1
6
OSC
OSC
OSC
=
PWM RESOLUTION
log
----------------------------------------- - bits
= 32 MHz)
= 20 MHz)
= 8 MHz)

4 PRx
153.85 kHz
log
156.3 kHz

250 kHz
0x0C
0x1F
0x1F
2  
1
7
1
7
1
5
+
1


333.3 kHz
208.3 kHz
200.0 kHz
0x17
0x17
0x09
6.6
6.6
1
1
1
5