PIC16LF1904T-I/PT Microchip Technology, PIC16LF1904T-I/PT Datasheet - Page 127

• Manufacturer Part Number: PIC16LF1904T-I/PT
• Description: 7KB Flash, 256B RAM, LCD, 14x10b ADC, EUSART, NanoWatt XLP 44 TQFP 10x10x1mm T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1904T-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: LIN, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP
• Processor Series: PIC16LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 1 x 16-bit, 1 x 8-bit
• Operating Supply Voltage: 1.8 V to 5.5 V
• Mounting Style: Through Hole
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TABLE 15-1:
FIGURE 15-2:
 2011 Microchip Technology Inc.
Legend:
Note 1:
Clock Source
F
F
F
ADC Clock Period (T
F
F
F
OSC
OSC
OSC
ADC
OSC
OSC
OSC
F
2:
3:
4:
RC
T
/16
/32
/64
Set GO bit
CY
/2
/4
/8
Holding capacitor is disconnected from analog input (typically 100 ns)
Shaded cells are outside of recommended range.
The F
These values violate the minimum required T
For faster conversion times, the selection of another clock source is recommended.
The ADC clock period (T
system clock F
device in Sleep mode.
- T
AD
Conversion starts
RC
ADC CLOCK PERIOD (T
T
ADCS<2:0>
AD
source has a typical T
1 T
ANALOG-TO-DIGITAL CONVERSION T
000
100
001
101
010
110
x11
AD
OSC
AD
b9
)
. However, the F
2 T
AD
AD
b8
1.0-6.0  s
3 T
) and total ADC conversion time can be minimized when the ADC clock is derived from the
100 ns
200 ns
400 ns
20 MHz
800 ns
1.6  s
3.2  s
AD
AD
b7
time of 1.6  s for V
4 T
(2)
(2)
(2)
RC
(1,4)
clock source must be used when conversions are to be performed with the
AD
AD
b6
5 T
) V
On the following cycle:
ADRESH:ADRESL is loaded, GO bit is cleared,
ADIF bit is set, holding capacitor is connected to analog input.
Preliminary
AD
1.0-6.0  s
S
AD
b5
. DEVICE OPERATING FREQUENCIES
125 ns
250 ns
0.5  s
time.
16 MHz
1.0  s
2.0  s
4.0  s
6 T
DD
AD
(2)
(2)
(2)
b4
(1,4)
.
7 T
Device Frequency (F
AD
b3
AD
1.0-6.0  s
8
250 ns
500 ns
8.0  s
CYCLES
T
8 MHz
1.0  s
2.0  s
4.0  s
AD
b2
PIC16LF1904/6/7
9 T
(3)
(2)
(2)
(1,4)
AD
b1
10
OSC
T
1.0-6.0  s
AD
)
b0
16.0  s
500 ns
8.0  s
11
4 MHz
1.0  s
2.0  s
4.0  s
(3)
(2)
(3)
(1,4)
DS41569A-page 127
1.0-6.0  s
16.0  s
32.0  s
64.0  s
8.0  s
1 MHz
2.0  s
4.0  s
(3)
(3)
(3)
(3)
(1,4)