PIC16F1938-I/MV Microchip Technology, PIC16F1938-I/MV Datasheet - Page 193
![28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V 28 UQFN 4x4x0.5mm TUBE](/photos/12/13/121305/c04-152_mv_sml.jpg)
PIC16F1938-I/MV
Manufacturer Part Number
PIC16F1938-I/MV
Description
28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V 28 UQFN 4x4x0.5mm TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16LF1933-ISS.pdf
(508 pages)
3.PIC16LF1933-ISS.pdf
(46 pages)
4.PIC16F1938-ISS.pdf
(10 pages)
Specifications of PIC16F1938-I/MV
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
25
Program Memory Size
28KB (16K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-UFQFN Exposed Pad
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
MI2C, SPI, EUSART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
25
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
DV164035, DV244005
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
On-chip Dac
5 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F722-ISS PDF datasheet
- PIC16LF1933-ISS PDF datasheet #2
- PIC16LF1933-ISS PDF datasheet #3
- PIC16F1938-ISS PDF datasheet #4
- Current page: 193 of 508
- Download datasheet (5Mb)
20.0
The Timer1 module is a 16-bit timer/counter with the
following features:
• 16-bit timer/counter register pair (TMR1H:TMR1L)
• Programmable internal or external clock source
• 2-bit prescaler
• Dedicated 32 kHz oscillator circuit
• Optionally synchronized comparator out
• Multiple Timer1 gate (count enable) sources
• Interrupt on overflow
• Wake-up on overflow (external clock,
• Time base for the Capture/Compare function
• Special Event Trigger (with CCP/ECCP)
• Selectable Gate Source Polarity
FIGURE 20-1:
2009 Microchip Technology Inc.
Asynchronous mode only)
SYNCC1OUT
Comparator 1
Comparator 2
SYNCC2OUT
From Timer0
T1G
Overflow
T1GSS<1:0>
Note 1: ST Buffer is high speed type when using T1CKI.
TIMER1 MODULE WITH GATE
CONTROL
2: Timer1 register increments on rising edge.
3: Synchronize does not operate while in Sleep.
T1OSCEN
T1OSO
T1GPOL
T1CKI
T1OSI
Set flag bit
TMR1IF on
Overflow
00
10
11
TIMER1 BLOCK DIAGRAM
01
TMR1ON
T1GTM
T1OSC
TMR1H
EN
OUT
TMR1
(1)
T1G_IN
(2)
D
R
CK
TMR1L
Q
Q
1
0
Preliminary
TMR1CS<1:0>
Cap. Sensing
0
1
Oscillator
T1GGO/DONE
Q
Internal
Internal
F
OSC
Clock
Clock
F
OSC
EN
/4
D
• Gate Toggle Mode
• Gate Single-pulse Mode
• Gate Value Status
• Gate Event Interrupt
Figure 20-1 is a block diagram of the Timer1 module.
Single Pulse
Acq. Control
PIC16F193X/LF193X
T1CLK
11
10
01
00
T1GSPM
T1CKPS<1:0>
T1SYNC
Prescaler
1, 2, 4, 8
TMR1ON
0
1
To LCD and Clock Switching Modules
2
0
1
Internal
F
Clock
T1GVAL
OSC
TMR1GE
/2
Q1
Synchronized
Synchronize
Interrupt
clock input
D
EN
det
det
Sleep input
Q
(3)
To Comparator Module
DS41364D-page 193
Set
TMR1GIF
T1GCON
Data Bus
RD
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