PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 106

• 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

PIC18F6525/6621/8525/8621
FIGURE 10-2:
FIGURE 10-4:
DS39612B-page 104
RD LATA
WR LATA
or
PORTA
WR TRISA
RD TRISA
RD PORTA
Data
Bus
Note 1:
To A/D Converter and LVD Modules
I/O pins have protection diodes to V
TRIS Latch
D
Data Latch
D
CK
CK
BLOCK DIAGRAM OF
RA3:RA0 AND RA5 PINS
BLOCK DIAGRAM OF RA6 PIN (WHEN ENABLED AS I/O)
Q
Q
Q
Q
Note 1:
ECRA6 or
Data Bus
RD LATA
RD
RD PORTA
WR LATA
ECRA6 or RCRA6 Enable
WR
TRISA
TRISA
Q
I/O pins have protection diodes to V
or PORTA
RCRA6 Enable
Analog
Input
Mode
EN
D
DD
V
V
N
P
SS
DD
and V
TTL
Input
Buffer
I/O pin
SS
.
(1)
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
Q
Q
DD
FIGURE 10-3:
and V
Note 1:
RD LATA
Data
Bus
RD PORTA
WR LATA
or
PORTA
WR TRISA
RD TRISA
SS
TMR0 Clock Input
.
Q
I/O pins have protection diodes to V
EN
D
TRIS Latch
V
Data Latch
V
P
N
D
D
SS
CK
CK
DD
I/O pin
BLOCK DIAGRAM OF
RA4/T0CKI PIN
Q
Q
TTL
Input
Buffer
Q
Q
 2005 Microchip Technology Inc.
(1)
Q
EN
EN
Schmitt
Trigger
Input
Buffer
D
DD
V
N
SS
and V
SS
I/O pin
.
(1)