PIC18F452-E/PT Microchip Technology Inc., PIC18F452-E/PT Datasheet - Page 49

• Manufacturer Part Number: PIC18F452-E/PT
• Description: 44 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F452-E/PT

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 4-6:
FIGURE 4-7:
 2004 Microchip Technology Inc.
INTERNAL RESET
Note:
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
PLL TIME-OUT
INTERNAL RESET
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
T
T
OST
PLL
MCLR
= 1024 clock cycles.
V
2 ms max. First three stages of the PWRT timer.
DD
MCLR
SLOW RISE TIME (MCLR TIED TO V
V
TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO V
DD
PIC18F2420/2520/4420/4520
0V
T
PWRT
Preliminary
T
PWRT
DD
T
, V
OST
5V
DD
RISE > T
T
T
OST
PLL
PWRT
)
DS39631A-page 47
DD
)