PIC16LF1903T-I/SO Microchip Technology, PIC16LF1903T-I/SO Datasheet - Page 133

• Manufacturer Part Number: PIC16LF1903T-I/SO
• Description: 7KB Flash, 256B RAM, LCD, 11x10b ADC, NanoWatt XLP 28 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1903T-I/SO

• Processor Series: PIC16LF190x
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 4 KB
• Data Ram Size: 256 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 2
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-28
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: -
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Eeprom Size: -
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Details

17.0
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
• Multiple Timer1 gate (count enable) sources
• Interrupt on overflow
• Wake-up on overflow (external clock,
• Selectable Gate Source Polarity
• Gate Toggle Mode
• Gate Single-pulse Mode
FIGURE 17-1:
 2011 Microchip Technology Inc.
Asynchronous mode only)
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
0
TIMER1 BLOCK DIAGRAM
1
TMR1ON
T1GTM
T1OSC
TMR1H
EN
OUT
TMR1
(1)
T1G_IN
(2)
D
R
CK
TMR1L
Q
Q
1
0
Preliminary
TMR1CS<1:0>
0
1
Reserved
T1GGO/DONE
Q
Internal
Internal
F
OSC
Clock
Clock
F
OSC
EN
/4
D
• Gate Value Status
• Gate Event Interrupt
Figure 17-1
Single Pulse
Acq. Control
T1CLK
11
10
01
00
T1GSPM
T1CKPS<1:0>
T1SYNC
Prescaler
1, 2, 4, 8
TMR1ON
is a block diagram of the Timer1 module.
0
1
PIC16LF1902/3
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)
DS41455B-page 133
Set
TMR1GIF
T1GCON
Data Bus
RD