PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 12

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PIC18F6621-I/PT

Manufacturer Part Number
PIC18F6621-I/PT
Description
64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC18F6621-I/PT

A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
54
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
64K Bytes
Ram Size
3.8K Bytes
Speed
40 MHz
Timers
2-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device

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PIC18F6525/6621/8525/8621
FIGURE 1-2:
DS39612B-page 10
Comparator
Note 1:
OSC2/CLKO
OSC1/CLKI
BOR
LVD
AD15:AD0, A19:16
Program Memory
Address Latch
(48/64 Kbytes)
Data Latch
2:
3:
4:
21
EEPROM
ECCP2/P2A are multiplexed with RC1 when CCP2MX is set; with RE7 when CCP2MX is cleared and the device is configured in
Microcontroller mode; or with RB3 when CCP2MX is cleared in all other program memory modes.
P1B/P1C/P3B/P3C are multiplexed with RE6:RE3 when ECCPMX is set and with RH7:RH4 when ECCPMX is not set.
RG5 is multiplexed with MCLR and is only available when the MCLR Resets are disabled.
External memory interface pins are multiplexed with PORTD (AD7:AD0), PORTE (AD15:AD8) and PORTH (A19:A16).
ECCP1
Data
Generation
Reference
Band Gap
Precision
Decode and
(4)
Instruction
Timing
Control
16
ECCP2
21
Timer0
PIC18F8525/8621 BLOCK DIAGRAM
20
Table Pointer<21>
Table Latch
inc/dec logic
V
ECCP3
DD
PCLATU
8
Timer1
, V
Start-up Timer
PCU
Program Counter
Brown-out
Test Mode
Watchdog
SS
Power-up
Oscillator
Power-on
31 Level Stack
Reset
Select
Timer
Reset
Timer
ROM Latch
CCP4
PCH
PCLATH
IR
Timer2
MCLR
8
CCP5
PCL
(3)
8
Timer3
Decode
BITOP
MSSP
4
BSR
3
8
EUSART1
Timer4
Address Latch
12
PRODH
Address<12>
inc/dec
8
FSR0
FSR1
FSR2
(3.8 Kbytes)
Data Latch
logic
Data RAM
8 x 8 Multiply
ALU<8>
W
8
Data Bus<8>
12
8
PRODL
Bank0, F
10-bit
4
EUSART2
ADC
8
12
8
8
PORTC
PORTG
PORTA
PORTB
PORTE
PORTF
PORTH
PORTD
PORTJ
 2005 Microchip Technology Inc.
RD7/AD7/PSP7:
RD0/AD0/PSP0
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/LVDIN
OSC2/CLKO/RA6
RB0/INT0/FLT0
RB1/INT1
RB2/INT2
RB3/INT3/ECCP2
RB4/KBI0
RB5/KBI1/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
RC0/T1OSO/T13CKI
RC1/T1OSI/ECCP2
RC2/ECCP1/P1A
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX1/CK1
RC7/RX1/DT1
RE0/AD8/RD/P2D
RE1/AD9/WR/P2C
RE2/AD10/CS/P2B
RE3/AD11/P3C
RE4/AD12/P3B
RE5/AD13/P1C
RE6/AD14/P1B
RE7/AD15/ECCP2
RF0/AN5
RF1/AN6/C2OUT
RF2/AN7/C1OUT
RF3/AN8
RF4/AN9
RF5/AN10/CV
RF6/AN11
RF7/SS
RG0/ECCP3/P3A
RG1/TX2/CK2
RG2/RX2/DT2
RG3/CCP4/P3D
RG4/CCP5/P1D
MCLR/V
RH0/A16:RH3/A19
RH4/AN12/P3C
RH5/AN13/P3B
RH6/AN14/P1C
RH7/AN15/P1B
RJ0/ALE
RJ1/OE
RJ2/WRL
RJ3/WRH
RJ4/BA0
RJ5/CE
RJ6/LB
RJ7/UB
PP
/RG5
REF
REF
REF
-
+
(2,4)
(4)
(2,4)
(2,4)
(2,4)
(2)
(2)
(2)
(2)
(3)
(4)
(1)
(1)
(4)
(4)
(1)
(4)
/P2A
/P2A
/P2A
(1,4)
(1)
(1)

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