PIC16F1938-I/ML Microchip Technology, PIC16F1938-I/ML Datasheet - Page 135

• Manufacturer Part Number: PIC16F1938-I/ML
• Description: IC MCU 8BIT FLASH 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1938-I/ML

• Core Size: 8-Bit
• Program Memory Size: 28KB (16K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• 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
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16F
• No. Of I/o's: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1024Byte
• Cpu Speed: 32MHz
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 32 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/USART
• On-chip Adc: 11-chx10-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 11-1:
FIGURE 11-2:
© 2009 Microchip Technology Inc.
Legend:
Note 1:
Clock Source
ADC Clock Period (T
Fosc/16
Fosc/32
Fosc/64
Fosc/2
Fosc/4
Fosc/8
ADC
F
2:
3:
4:
RC
T
Set GO bit
CY
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.
When the device frequency is greater than 1 MHz, the F
performed during Sleep.
- T
AD
Conversion starts
RC
ADCS<2:0>
ADC CLOCK PERIOD (T
T
AD
source has a typical T
000
100
001
101
010
110
x11
1 T
ANALOG-TO-DIGITAL CONVERSION T
AD
)
AD
b9
2 T
1.0-6.0 μs
0.5 μs
62.5ns
125 ns
AD
32 MHz
b8
800 ns
1.0 μs
2.0 μs
3 T
(2)
(2)
(2)
AD
AD
(1,4)
b7
time of 1.6 μs for V
4 T
1.0-6.0 μs
AD
AD
b6
100 ns
200 ns
400 ns
20 MHz
800 ns
1.6 μs
3.2 μs
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
S
AD
(2)
(2)
(2)
b5
. DEVICE OPERATING FREQUENCIES
time.
(1,4)
6 T
DD
AD
1.0-6.0 μs
b4
.
RC
Device Frequency (F
Device Frequency (F
125 ns
250 ns
7 T
0.5 μs
16 MHz
1.0 μs
2.0 μs
4.0 μs
clock source is only recommended if the conversion will be
PIC16F193X/LF193X
AD
b3
(2)
(2)
(2)
AD
8
(1,4)
CYCLES
T
AD
b2
1.0-6.0 μs
9 T
250 ns
500 ns
8.0 μs
8 MHz
1.0 μs
2.0 μs
4.0 μs
AD
b1
OSC
OSC
10
(3)
(2)
(2)
(1,4)
)
)
T
AD
b0
11
1.0-6.0 μs
16.0 μs
500 ns
8.0 μs
4 MHz
1.0 μs
2.0 μs
4.0 μs
(3)
(2)
(3)
(1,4)
DS41364C-page 135
1.0-6.0 μs
16.0 μs
32.0 μs
64.0 μs
8.0 μs
1 MHz
2.0 μs
4.0 μs
(3)
(3)
(3)
(3)
(1,4)