W99685FS datasheet(12/22 Pages) WINBOND

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W99685FS

- 12 -

GPIO (14 pins)

PIN NAME

PIN NUMBER

TYPE

DESCRIPTION

GPIO0/

SD_WP#

General Purpose I/O [0]

Write protect for SD Card

GPIO1/

LCD_CS1#

General Purpose I/O [1]

M-LCD: LCD Chip Select 1 enable

GPIO2/

VBUS

General Purpose I/O [2]

20mA power supply output

GPIO3/

SCK

K10

General Purpose I/O [3]

Serial Interface Clock

GPIO4/

SDI/SDA

General Purpose I/O [4]

Serial Interface Data Input/ Serial Data Acknowledge

GPIO5/

SDO/SDE

N11

General Purpose I/O [5]

Serial Interface Data Output / Serial Data Enable

GPIO7

General Purpose I/O [7]

P11

No define

GPIO10

SD_CD#

A12

General Purpose I/O [10]

SD Card Inserted Detect

GPIO12

General Purpose I/O [12]

GPIO13

General Purpose I/O [13]

GPIO14

L13

General Purpose I/O [14]

GPIO15

G14

General Purpose I/O [15]

Miscellaneous (4 pins)

PIN NAME

PIN NUMBER

TYPE

DESCRIPTION

XIN

Reference frequency input from ext. crystal or a clock

source.

XOUT

Oscillator output to a crystal. This pin is left unconnected

if an external clock source is employed.

RESET

Reset In. This pin is active high to reset W99685FS

chip.

TME

Test Mode Enable. Only for test, this pin must be

connected to GND for normal operation.

W99685FS Datasheet(PDF) 12 Page - Winbond

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