PIC18F6621-I/PTG Microchip Technology, PIC18F6621-I/PTG Datasheet - Page 125

• Manufacturer Part Number: PIC18F6621-I/PTG
• Description: IC PIC MCU FLASH 32KX16 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F6621-I/PTG

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 10-20:
 2005 Microchip Technology Inc.
System Bus
Note 1: I/O pins have diode protection to V
Control
RH3:RH0 PINS BLOCK DIAGRAM IN SYSTEM BUS MODE
RD PORTH
RD LATH
Data Bus
WR LATH
or
PORTH
RD TRISH
External Enable
Address Out
Drive System
Instruction Read
WR TRISH
To Instruction Register
PIC18F6525/6621/8525/8621
TRIS Latch
Data Latch
D
D
CK
CK
Q
DD
Q
and V
Q
Data
Port
SS
EN
EN
.
D
0
1
I/O pin
TTL
Input
Buffer
(1)
DS39612B-page 123