PIC18F8520-I/PT Microchip Technology Inc., PIC18F8520-I/PT Datasheet - Page 329

• Manufacturer Part Number: PIC18F8520-I/PT
• Description: 80 PIN, 32 KB FLASH, 2048 RAM, 68 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F8520-I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 68
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 80-pin TQFP
• Programmable Memory: 32K Bytes
• Ram Size: 2K 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

FIGURE 26-12:
TABLE 26-11: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
FIGURE 26-13:
 2004 Microchip Technology Inc.
30
31
32
33
34
35
36
37
Param
No.
Reference Voltage
Internal Reference
Enable Internal
Voltage Stable
T
T
T
T
T
T
T
T
T1OSO/T13CKI
Symbol
Note:
OST
WDT
IOZ
IVRST
MC
PWRT
BOR
LVD
L
V
IRVST
TMR0 or
V
DD
T0CKI
PIC18F6520/8520/6620/8620/6720/8720
TMR1
AND BROWN-OUT RESET REQUIREMENTS
Refer to Figure 26-6 for load conditions.
MCLR Pulse Width (low)
Watchdog Timer Time-out Period (no
postscaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become stable
Low-Voltage Detect Pulse Width
BROWN-OUT RESET TIMING
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
Characteristic
40
36
45
BV
DD
1024 T
Min
200
200
28
42
—
—
47
2
7
OSC
Typ
18
72
20
—
—
—
—
2
41
46
35
1024 T
Max
132
—
33
—
—
50
—
OSC
Units
ms
ms
—
s
s
s
s
s
48
T
V
V
OSC
DD
DD
DS39609B-page 327
= OSC1 period
B
Conditions
V
VDD
LVD
V
BGAP
(see D005)
= 1.2V