PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 11

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

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

FIGURE 1-1:
 2005 Microchip Technology Inc.
Comparator
Note 1:
OSC2/CLKO
OSC1/CLKI
Program Memory
BOR
LVD
Address Latch
(48/64 Kbytes)
Data Latch
2:
EEPROM
ECCP2/P2A are multiplexed with RC1 when CCP2MX is set, or RE7 when CCP2MX is not set.
RG5 is multiplexed with MCLR and is only available when the MCLR Resets are disabled.
ECCP1
Data
21
Generation
Reference
Band Gap
Precision
Decode and
Instruction
Timing
Control
ECCP2
21
Timer0
PIC18F6525/6621 BLOCK DIAGRAM
20
16
Table Pointer<21>
Table Latch
inc/dec logic
V
ECCP3
DD
8
Timer1
,
Start-up Timer
V
PCLATU
PCU
Program Counter
Brown-out
Test Mode
Watchdog
SS
Oscillator
Power-up
Power-on
31 Level Stack
Timer
Reset
Select
Timer
Reset
ROM Latch
CCP4
PCLATH
PCH
IR
Timer2
MCLR
8
CCP5
PCL
(2)
PIC18F6525/6621/8525/8621
8
Timer3
BITOP
MSSP
Decode
4
BSR
3
8
EUSART1
Timer4
Address Latch
12
PRODH
Address<12>
8
FSR0
FSR1
FSR2
inc/dec
(3.8 Kbytes)
Data Latch
Data RAM
logic
8 x 8 Multiply
ALU<8>
W
8
Data Bus<8>
12
8
Bank 0, F
PRODL
4
10-bit
EUSART2
ADC
12
8
8
8
PORTB
PORTC
PORTG
PORTA
PORTD
PORTE
PORTF
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
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
RD7/PSP7
RE0/RD/P2D
RE1/WR/P2C
RE2/CS/P2B
RE3/P3C
RE4/P3B
RE5/P1C
RE6/P1B
RE7/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
DS39612B-page 9
PP
/RG5
REF
REF
:RD0/PSP0
(1)
/P2A
REF
-
+
(2)
(1)
(1)
/P2A
(1)