PIC18F6621-E/PT Microchip Technology, PIC18F6621-E/PT Datasheet - Page 6
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PIC18F6621-E/PT
Manufacturer Part Number
PIC18F6621-E/PT
Description
IC PIC MCU FLASH 32KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F6525-IPT.pdf
(396 pages)
3.PIC18F6525-IPT.pdf
(8 pages)
4.PIC18F6525-IPT.pdf
(38 pages)
Specifications of PIC18F6621-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.75K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TFQFP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3840 B
Interface Type
MSSP, SPI, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
53
Number Of Timers
2 x 8 bit
Operating Supply Voltage
4.2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
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, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6621-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
PIC18F6X2X/8X2X
2.4
Figure 2-6 shows the high level overview of the pro-
gramming process. First, a bulk erase is performed.
Next, the code memory, ID locations, and data
EEPROM are programmed. These memories are then
verified to ensure that programming was successful. If
no errors are detected, the configuration bits are then
programmed and verified.
2.5
The High Voltage ICSP Program/Verify mode is
entered by holding PGC and PGD low and then raising
MCLR/V
the code memory, data EEPROM, ID locations, and
configuration bits can be accessed and programmed in
serial fashion.
The sequence that enters the device into the Program/
Verify mode places all unused I/Os in the high-impedance
state.
2.5.1
When the LVP configuration bit is ‘1’ (see Section 5.3),
the Low Voltage ICSP mode is enabled. Low Voltage
ICSP Program/Verify mode is entered by holding PGC
and PGD low, placing a logic high on PGM, and then
raising MCLR/V
pin is dedicated to the programming function and
ceases to be a general purpose I/O pin.
The sequence that enters the device into the Program/
Verify mode places all unused I/Os in the high-impedance
state.
FIGURE 2-5:
DS30499B-page 6
MCLR/V
V
PGD
PGC
DD
PP
High Level Overview of the
Programming Process
Entering High Voltage ICSP
Program/Verify Mode
D110
to V
ENTERING LOW VOLTAGE ICSP
PROGRAM/VERIFY MODE
PP
IHH
PP
to V
(high voltage). Once in this mode,
PGD = Input
P13
ENTERING HIGH VOLTAGE
PROGRAM/VERIFY MODE
P1
IH
. In this mode, the RB5/PGM
P12
FIGURE 2-6:
FIGURE 2-7:
MCLR/V
PGM
PGD
PGC
V
DD
PP
V
IH
Configuration Bits
Program Memory
Configuration Bits
Verify Program
V
Program Data
Perform Bulk
Program IDs
PGD = Input
IH
Verify Data
P15
Verify IDs
HIGH LEVEL
PROGRAMMING FLOW
Program
ENTERING LOW VOLTAGE
PROGRAM/ VERIFY MODE
Erase
Verify
2003 Microchip Technology Inc.
Done
Start
P12