Rainbow-electronics MAX3107 Bedienungsanleitung PDF herunterladen (Seite 8)

8 ______________________________________________________________________________________

MAX3107

SPI/I

C UART with 128-Word FIFOs

and Internal Oscillator

DC ELECTRICAL CHARACTERISTICS (continued)

= +2.35V to +3.6V, V

= +1.71V to +3.6V, V

EXT

= +1.71V to +3.6V, T

= -40NC to +85NC, unless otherwise noted. Typical values

are at V

= +2.8V, V

= +1.8V, V

EXT

= +2.5V, T

= +25NC.) (Note 2)

AC ELECTRICAL CHARACTERISTICS

= +2.35V to +3.6V, V

= +1.71V to +3.6V, V

EXT

= +1.71V to +3.6V, T

= -40NC to +85NC, unless otherwise noted. Typical values

are at V

= +2.8V, V

= +1.8V, V

EXT

= +2.5V, T

= +25NC.) (Note 2)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Input Low Voltage V

Configured as an input 0.4 V

Input High Voltage V

Configured as an input 2/3 x V

EXT

Pulldown Current I

GPIO_ = V

EXT

0.25 1 2.5

Input Capacitance C

IN_IUART

Configured as an input 5 pF

XIN

Input Low Voltage V

0.2 V

Input High Voltage V

1.2 V

Input Capacitance C

16 pF

XOUT

Input Capacitance C

16 pF

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

UART CLOCKING

Internal Oscillator Frequency f

INT

= +25NC

≤ 2.8V -0.25% 614.4 +0.25%

kHz

-0.4% 614.4 +0.4%

= 0NC to +70NC

-2% 614.4 +2%

= -40NC to +85NC

-3% 614.4 +3%

External Crystal Frequency f

XOSC

1 4 MHz

External Clock Frequency f

CLK

0.5 30 MHz

External Clock Duty Cycle (Note 3) 45 55 %

Baud-Rate Generator Clock

Input

REF

(Note 3) 96 MHz

C BUS: TIMING CHARACTERISTICS (see Figure 1)

SCL Clock Frequency f

SCL

Standard mode 100

kHz

Fast mode 400

Bus Free Time Between a STOP

(P) and START (S) Condition

BUF

Standard mode 4.7

Fast mode 1.3

Hold Time for START (S)

Condition and Repeated START

(Sr) Condition (Note 3)

HD:STA

Standard mode 4.0

Fast mode 0.6

Low Period of the SCL Clock t

LOW

Standard mode 4.7

Fast mode 1.3

High Period of the SCL Clock t

HIGH

Standard mode 4.0

Fast mode 0.6

Data Hold Time t

HD:DAT

Standard mode 0 0.9

Fast mode 0 0.9

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 50 51

C UART with 128-Word FIFOs 1

Kommentare zu diesen Handbüchern

Keine Kommentare

Rainbow-electronics MAX3107 Bedienungsanleitung Seite 8

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Schalttafel Rainbow-electronics MAX3107