PIC18F2620-E/SP Microchip Technology, PIC18F2620-E/SP Datasheet - Page 43
![IC MCU FLASH 32KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2620-E/SP
Manufacturer Part Number
PIC18F2620-E/SP
Description
IC MCU FLASH 32KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2525-ISO.pdf
(412 pages)
4.PIC18F2525-ISO.pdf
(18 pages)
5.PIC18F2525-ISO.pdf
(18 pages)
6.PIC18F2525-ISO.pdf
(6 pages)
7.PIC18F2525-ISO.pdf
(6 pages)
8.PIC18LF4620-IP.pdf
(390 pages)
Specifications of PIC18F2620-E/SP
Program Memory Type
FLASH
Program Memory Size
64KB (32K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3986 B
Interface Type
SPI/I2C/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
4.2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3DB18F4620 - BOARD DAUGHTER ICEPIC3DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2525-ISO PDF datasheet #3
- PIC18F2525-ISO PDF datasheet #4
- PIC18F2525-ISO PDF datasheet #5
- PIC18F2525-ISO PDF datasheet #6
- PIC18F2525-ISO PDF datasheet #7
- PIC18LF4620-IP PDF datasheet #8
- Current page: 43 of 412
- Download datasheet (7Mb)
4.0
The PIC18F2525/2620/4525/4620 devices differentiate
between various kinds of Reset:
a)
b)
c)
d)
e)
f)
g)
h)
This section discusses Resets generated by MCLR,
POR and BOR and covers the operation of the various
start-up timers. Stack Reset events are covered in
Section 5.1.2.4 “Stack Full and Underflow Resets”.
WDT Resets are covered in Section 23.2 “Watchdog
Timer (WDT)”.
FIGURE 4-1:
© 2008 Microchip Technology Inc.
Note 1: This is the INTRC source from the internal oscillator block and is separate from the RC oscillator of the CLKI pin.
OSC1
MCLR
V
Power-on Reset (POR)
MCLR Reset during normal operation
MCLR Reset during power-managed modes
Watchdog Timer (WDT) Reset (during
execution)
Programmable Brown-out Reset (BOR)
RESET Instruction
Stack Full Reset
Stack Underflow Reset
DD
2: See Table 4-2 for time-out situations.
RESET
Instruction
INTRC
RESET
OST/PWRT
Pointer
32 μs
Stack
( )_IDLE
Brown-out
Time-out
V
(1)
Detect
Sleep
DD
WDT
Reset
Rise
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
OST
PWRT
Stack Full/Underflow Reset
External Reset
MCLRE
10-bit Ripple Counter
11-bit Ripple Counter
POR Pulse
BOREN
1024 Cycles
65.5 ms
PIC18F2525/2620/4525/4620
A simplified block diagram of the On-Chip Reset Circuit
is shown in Figure 4-1.
4.1
Device Reset events are tracked through the RCON
register (Register 4-1). The lower five bits of the regis-
ter indicate that a specific Reset event has occurred. In
most cases, these bits can only be cleared by the event
and must be set by the application after the event. The
state of these flag bits, taken together, can be read to
indicate the type of Reset that just occurred. This is
described in more detail in Section 4.6 “Reset State
of Registers”.
The RCON register also has control bits for setting
interrupt priority (IPEN) and software control of the
BOR (SBOREN). Interrupt priority is discussed in
Section 10.0 “Interrupts”. BOR is covered in
Section 4.4 “Brown-out Reset (BOR)”.
RCON Register
S
R
DS39626E-page 41
Q
Enable OST
Enable PWRT
Chip_Reset
(2)
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