PIC16LF877A-I/L Microchip Technology, PIC16LF877A-I/L Datasheet - Page 133
![IC MCU FLASH 8KX14 EE A/D 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC16LF877A-I/L
Manufacturer Part Number
PIC16LF877A-I/L
Description
IC MCU FLASH 8KX14 EE A/D 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF877A-I/L
Core Size
8-Bit
Program Memory Size
14KB (8K x 14)
Core Processor
PIC
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Controller Family/series
PIC16LF
No. Of I/o's
33
Eeprom Memory Size
256Byte
Ram Memory Size
368Byte
Cpu Speed
20MHz
No. Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16LF877AI/L
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF877A-I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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11.2
The A/D conversion time per bit is defined as T
A/D conversion requires a minimum 12 T
conversion. The source of the A/D conversion clock is
software selected. The seven possible options for T
are:
• 2 T
• 4 T
• 8 T
• 16 T
• 32 T
• 64 T
• Internal A/D module RC oscillator (2-6 s)
For correct A/D conversions, the A/D conversion clock
(T
of 1.6 s.
Table 11-1 shows the resultant T
the device operating frequencies and the A/D clock
source selected.
TABLE 11-1:
2003 Microchip Technology Inc.
Note 1:
AD
) must be selected to ensure a minimum T
OSC
OSC
OSC
OSC
OSC
OSC
2:
3:
Selecting the A/D Conversion
Clock
The RC source has a typical T
When the device frequencies are greater than 1 MHz, the RC A/D conversion clock source is only
recommended for Sleep operation.
For extended voltage devices (LF), please refer to Section 17.0 “Electrical Characteristics”.
Operation
RC
16 T
32 T
64 T
2 T
4 T
8 T
(1, 2, 3)
T
OSC
OSC
OSC
OSC
OSC
OSC
AD
vs. MAXIMUM DEVICE OPERATING FREQUENCIES (STANDARD DEVICES (F))
AD Clock Source (T
AD
times derived from
AD
AD
per 10-bit
time of 4 s but can vary between 2-6 s.
AD
AD
ADCS2:ADCS1:ADCS0
. The
AD
time
AD
)
000
100
001
101
010
110
x11
11.3
The ADCON1 and TRIS registers control the operation
of the A/D port pins. The port pins that are desired as
analog inputs must have their corresponding TRIS bits
set (input). If the TRIS bit is cleared (output), the digital
output level (V
The A/D operation is independent of the state of the
CHS2:CHS0 bits and the TRIS bits.
Note 1: When reading the port register, any pin
2: Analog levels on any pin that is defined as
Configuring Analog Port Pins
configured as an analog input channel will
read as cleared (a low level). Pins config-
ured as digital inputs will convert an analog
input. Analog levels on a digitally config-
ured input will not affect the conversion
accuracy.
a digital input (including the AN7:AN0
pins) may cause the input buffer to con-
sume current that is out of the device
specifications.
OH
or V
Maximum Device Frequency
PIC16F87XA
OL
) will be converted.
1.25 MHz
2.5 MHz
(Note 1)
10 MHz
20 MHz
20 MHz
5 MHz
DS39582B-page 131
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