PIC18F452-I/P Microchip Technology Inc., PIC18F452-I/P Datasheet - Page 350

• Manufacturer Part Number: PIC18F452-I/P
• Description: 40 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F452-I/P

• 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: 40-pin PDIP
• 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

PIC18F2420/2520/4420/4520
FIGURE 26-11:
TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420/4520)
DS39631A-page 348
62
63
64
65
66
Param.
No.
Note:
RD7:RD0
RE1/WR
RE2/CS
RE0/RD
TdtV2wrH
TwrH2dtI
TrdL2dtV
TrdH2dtI
TibfINH
Symbol
Refer to Figure 26-4 for load conditions.
PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)
Data In Valid before WR
(setup time)
WR
Invalid (hold time)
RD
RD
Inhibit of the IBF Flag bit being Cleared from
WR
and CS
or CS
or CS
or CS
64
to Data–Out Invalid
to Data–In
to Data–Out Valid
Characteristic
65
or CS
Preliminary
PIC18FXXXX
PIC18LFXXXX
Min
20
20
35
10
—
—
3 T
Max
62
80
30
—
—
—
CY
 2004 Microchip Technology Inc.
Units
63
ns
ns
ns
ns
ns
V
DD
= 2.0V
Conditions