PIC18LF4420T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4420T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2420/2520/4420/4520

FIGURE 26-11:

RE2/CS

PARALLEL SLAVE PORT TIMING (PIC18F4420/4520)

RE0/RD

RE1/WR

65

RD7:RD0

64

Note: Refer to Figure 26-4 for load conditions.

62

63

TABLE 26-13: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F4420/4520)

Param.

No.

Symbol

Characteristic

Min Max Units

Conditions

62

TdtV2wrH Data In Valid before WR ↑ or CS ↑

(setup time)

20 — ns

63

TwrH2dtI WR ↑ or CS ↑ to Data–In

Invalid (hold time)

PIC18FXXXX 20 — ns

PIC18LFXXXX 35 — ns VDD = 2.0V

64

TrdL2dtV RD ↓ and CS ↓ to Data–Out Valid

— 80 ns

65

TrdH2dtI RD ↑ or CS ↓ to Data–Out Invalid

10 30 ns

66

TibfINH

Inhibit of the IBF Flag bit being Cleared from

— 3 TCY

WR ↑ or CS ↑

DS39631A-page 348

Preliminary

 2004 Microchip Technology Inc.

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