W83L518D_05 Datasheet, PDF (9/25 Pages) Winbond – Integrated Media Reader

W83L518D
4.4 General-Purpose I/O Pins
SYMBOL PIN
GP17
7
GP16
8
GP15
9
GP14
10
GP13
11
GP12
12
GP11
13
EX_CD
GP10
14
PHEFRAS
I/O
I/O12t
I/O12t
I/O12t
I/O12t
I/O12t
I/O12t
I/O12t
I/O12t
Int
FUNCTION
General-purpose I/O port 17.
General-purpose I/O port 16.
General-purpose I/O port 15.
General-purpose I/O port 14.
General-purpose I/O port 13.
General-purpose I/O port 12.
General-purpose I/O port 11.
External card detedtion pin. The detectable level can be set on bit 2
of CR F0 on Logical device 3.
General-purpose I/O port 10.
This pin also functions as a power-on setting pin whose value is
latched on the rising edge of RESET# (pin 4) to select configuration
ports as 2Eh/2Fh (PHEFRAS = 1) or 4Eh/4Fh (PHEFRAS = 0). It
determines the default value of CR26 bit 6 (HEFRAS).
4.5 Crystal and Power Pins
SYMBOL
XOUT, XIN
VDD3V
VDD
VSS
PIN
22, 23
40
15
6, 30
FUNCTION
Connected to a 48 MHz crystal and function as the working clock
for all the media reader interfaces.
+3.3V power supply for host interface, Memory Stick/SD Memory
interfaces, and internal core.
+5V power supply for Smart Card interface I/O pins.
Ground.
Publication Release Date: May 11, 2005
-7-
Revision 1.0