PIC18F6621T-I/PT Microchip Technology, PIC18F6621T-I/PT Datasheet - Page 272
![IC PIC MCU FLASH 32KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F6621T-I/PT
Manufacturer Part Number
PIC18F6621T-I/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 PIC18F6621T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
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 ~ 85°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
+ 85 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
Data Rom Size
1024 B
Height
1 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6621T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F6525-IPT PDF datasheet #2
- PIC18F6525-IPT PDF datasheet #3
- PIC18F6525-IPT PDF datasheet #4
- Current page: 272 of 396
- Download datasheet (8Mb)
second block (Block 0) of 14 Kbytes.
PIC18F6525/6621/8525/8621
FIGURE 24-2:
24.4
The overall structure of the code protection on the
PIC18 Flash devices differs significantly from other
PICmicro devices.
The user program memory is divided on binary bound-
aries into four blocks of 16 Kbytes each. The first block is
further divided into a boot block of 2048 bytes and a
FIGURE 24-3:
DS39612B-page 270
Note
(INTCON<1>)
(INTCON<7>)
INSTRUCTION FLOW
Instruction
Fetched
Instruction
Executed
INTF Flag
GIEH bit
CLKO
INT pin
1:
2:
3:
4:
OSC1
Program Verification and
Code Protection
PC
Unimplemented, read ‘0’
(4)
XT, HS or LP Oscillator mode assumed.
GIE = 1 assumed. In this case, after wake-up, the processor jumps to the interrupt routine. If GIE = 0, execution will continue in-line.
T
CLKO is not available in these oscillator modes but shown here for timing reference.
OST
Inst(PC) = Sleep
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
(PIC18FX525)
Inst(PC – 1)
= 1024 T
48 Kbytes
Boot Block
Block 0
Block 1
Block 2
PC
WAKE-UP FROM SLEEP THROUGH INTERRUPT
CODE-PROTECTED PROGRAM MEMORY FOR PIC18F6525/6621/8525/8621
DEVICES
MEMORY SIZE/DEVICE
OSC
(drawing not to scale). This delay will not occur for RC and EC Oscillator modes.
Inst(PC + 2)
Sleep
PC + 2
(PIC18FX621)
Boot Block
64 Kbytes
Processor in
Block 0
Block 1
Block 2
Block 3
Sleep
PC + 4
T
OST
(2)
000000h
0007FFh
000800h
003FFFh
004000h
007FFFh
008000h
00BFFFh
00C000h
00FFFFh
Address
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Range
Inst(PC + 4)
Inst(PC + 2)
Each of the blocks has three code protection bits
associated with them. They are:
• Code-Protect bit (CPn)
• Write-Protect bit (WRTn)
• External Block Table Read bit (EBTRn)
Figure 24-3 shows the program memory organization
for 48 and 64-Kbyte devices and the specific code
protection bit associated with each block. The actual
locations of the bits are summarized in Table 24-3.
PC + 4
Interrupt Latency
Dummy Cycle
PC + 4
(1,2)
Block Code Protection
CPB, WRTB, EBTRB
CP0, WRT0, EBTR0
CP1, WRT1, EBTR1
CP2, WRT2, EBTR2
CP3, WRT3, EBTR3
Controlled By:
(3)
2005 Microchip Technology Inc.
Dummy Cycle
Inst(0008h)
0008h
Inst(000Ah)
Inst(0008h)
000Ah
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