PC87591L datasheet(393/437 Pages) NSC

393 / 437 page

7.0 Device Specifications (Continued)

Revision 1.07

393

www.national.com

7.6.5

GPIO Ports Timing

Symbol

Figure

Description

Reference Conditions

Min

Max

Unit

GPIO Input Timing

tINPs

140

Input setup time IOPA0-7,

IOPB0-7, IOPC0-7, IOPD0-

7, IOPE0-7, IOPF0-7,

IOPG0-7, IOPH0-7, IOPI0-7,

IOPJ0-7, IOPK0-7, IOPL0-4,

IOPM0-7, KBSIN0-71

1. When using the Schmitt input.

Before RE CLK

0.5 * tCLK

tINPh

140

Input hold time IOPA0-7,

IOPB0-7, IOPC0-7, IOPD0-

7, IOPE0-7, IOPF0-7,

IOPG0-7, IOPH0-7, IOPI0-7,

IOPJ0-7, IOPK0-7, IOPL0-4,

IOPM0-7, KBSIN0-71

After RE CLK

GPIO Output Timing

tOUTv

141

Output valid time

KBSOUT0-15, IOPA0-7,

IOPB0-7, IOPC0-7, IOPD0-

7, IOPF0-7, IOPG0-7,

IOPH0-7, IOPI0-7, IOPJ0-7,

IOPK0-7, IOPL0-4, IOPM0-7

After RE CLK

0.5 * tCLK

tOUTh

141

Output hold time KBSOUT0-

15, IOPA0-7, IOPB0-7,

IOPC0-7, IOPD0-7, IOPF0-

7, IOPG0-7, IOPH0-7,

IOPI0-7, IOPJ0-7, IOPK0-7,

IOPL0-4, IOPM0-7

After RE CLK

CLK

Px Input Signals

tINPs

tINPh

Data In

Py Input Signals

Pz Input Signals

Figure 140. Input Signal Timing for Input and I/O Port Signals

CLK

Px Output Signals

tOUTv

tOUTh

Data Out

Pw Output Signals

Pz Output Signals

Figure 141. Output Signal Timing for Output and I/O Port Signals

PC87591L Datasheet(PDF) 393 Page - National Semiconductor (TI)

PC87591L Datasheet(HTML) 393 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL