PIC16F1828-I/SO Microchip Technology, PIC16F1828-I/SO Datasheet - Page 3

• Manufacturer Part Number: PIC16F1828-I/SO
• Description: IC PIC MCU 8BIT 14KB FLSH 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1828-I/SO

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Controller Family/series: PIC16F
• No. Of I/o's: 18
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 32MHz
• No. Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Silicon Errata Issues
1. Module: ADC
1.1 Analog-to-Digital Conversion
1.
2.
FIGURE 1:
 2010 Microchip Technology Inc.
Note:
See the ADC Clock Period (T
section of the data sheet.
F
T
T
An ADC conversion may not complete under these
conditions:
When F
clock source used for the ADC converter.
The ADC is operating from its dedicated internal
FRC oscillator and the device is not in Sleep
mode (any F
When this occurs, the ADC Interrupt Flag (ADIF)
does not get set, the GO/DONE bit does not get
cleared, and the conversion result does not get
loaded into the ADRESH and ADRESL result
registers.
CY
AD
OSC
= 4/32 MHz = 125 nsec
= 1 µsec, ADCS = F
= 32 MHz
This document summarizes all silicon
errata issues from all revisions of silicon,
previous as well as current. Only the
issues indicated by the shaded column in
the following tables apply to the current
silicon revision (A3).
4 T
OSC
8 T
1 T
CY
CY
is greater than 8 MHz and it is the
OSC
AD
INSTRUCTION CYCLE DELAY CALCULATION EXAMPLE
frequency).
OSC
/32
AD
) vs. Device Operating Frequencies table, in the Analog-to-Digital Converter
88 T
11 T
84 T
CY
AD
CY
PIC16(L)F1824/1828
Work around
Method 1: Select the system clock, F
Method 2: Select
Method 3: This method is provided if the
the ADC clock source and reduce
the F
less
conversions.
oscillator as the ADC conversion
clock source and perform all
conversions with the device in
Sleep.
application cannot use Sleep
mode and requires continuous
operation at frequencies above 8
MHz. This method requires early
termination of an ADC conver-
sion. Provide a fixed time delay in
software to stop the A-to-D
conversion manually, after all 10
bits are converted, but before the
conversion would complete auto-
matically.
stopped by clearing the GO/
DONE bit in software. The GO/
DONE bit must be cleared during
the last ½ T
conversion would have com-
pleted automatically. Refer to
Figure 1
Stop the A/D conversion
between 10.5 and 11 T
cycles.
See the Analog-to-Digital
Conversion
figure in the Analog-to-
Digital Converter section of
the data sheet.
OSC
when
for details.
the
frequency to 8 MHz or
The
AD
performing
dedicated
cycle, before the
T
DS80510C-page 3
AD
conversion
Cycles
AD
OSC
ADC
FRC
, as
is