PIC16F818-I/P Microchip Technology Inc., PIC16F818-I/P Datasheet - Page 103
PIC16F818-I/P
Manufacturer Part Number
PIC16F818-I/P
Description
18 PIN, 1.75 KB FLASH, 128 RAM, 16 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F818-IP.pdf
(176 pages)
Specifications of PIC16F818-I/P
A/d Inputs
5-Channel, 10-Bit
Cpu Speed
5 MIPS
Eeprom Memory
128 Bytes
Input Output
16
Interface
I2C/SPI
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin PDIP
Programmable Memory
1.75K Bytes
Ram Size
128 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F818-I/P
Manufacturer:
Microchip Technology
Quantity:
295
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12.17 In-Circuit Serial Programming
PIC16F818/819 microcontrollers can be serially
programmed while in the end application circuit. This is
simply done with two lines for clock and data and three
other lines for power, ground and the programming
voltage (see Figure 12-10 for an example). This allows
customers to manufacture boards with unprogrammed
devices and then program the microcontroller just
before shipping the product. This also allows the most
recent firmware or a custom firmware to be
programmed.
For more information on serial programming, please refer
to the “PIC16F818/819 Flash Memory Programming
Specification” (DS39603).
2004 Microchip Technology Inc.
Note:
The Timer1 oscillator shares the T1OSI
and T1OSO pins with the PGD and PGC
pins
debugging.
When using the Timer1 oscillator, In-Circuit
Serial Programming™ (ICSP™) may not
function correctly (high voltage or low
voltage) or the In-Circuit Debugger (ICD)
may not communicate with the controller.
As a result of using either ICSP or ICD, the
Timer1 crystal may be damaged.
If ICSP or ICD operations are required, the
crystal should be disconnected from the
circuit (disconnect either lead) or installed
after programming. The oscillator loading
capacitors may remain in-circuit during
ICSP or ICD operation.
used
for
programming
and
FIGURE 12-10:
* Isolation devices (as required).
†
RB3/PGM
RB3 only used in LVP mode.
External
Connector
Signals
Data I/O
CLK
+5V
V
0V
PP
PIC16F818/819
*
To Normal
Connections
To Normal
Connections
TYPICAL IN-CIRCUIT
SERIAL PROGRAMMING
CONNECTION
*
*
*
DS39598E-page 101
PIC16F818/819
V
V
MCLR/V
RB6
RB7
RB3
DD
SS
†
V
DD
PP
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