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參數資料
型號: W83L518D
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: Integrated Media Reader
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP48
封裝: LQFP-48
文件頁數: 10/26頁
文件大小: 222K
代理商: W83L518D
W83L518D
The trademarks and intellectual property rights of Memory Stick belong to SONY Corporation
Publication Release Date:Jul. 2002
The trademarks and intellectual property rights of SD belong to SD GROUP
All trademarks and brand names belong to their respective owners
Revision 1.0
7
4.4 General-Purpose I/O Pins
SYMBOL
GP17
PIN
7
I/O
I/O
12t
FUNCTION
General-purpose I/O port 17.
GP16
8
I/O
12t
General-purpose I/O port 16.
GP15
9
I/O
12t
General-purpose I/O port 15.
GP14
10
I/O
12t
General-purpose I/O port 14.
GP13
11
I/O
12t
General-purpose I/O port 13.
GP12
12
I/O
12t
General-purpose I/O port 12.
GP11
EX_CD
13
I/O
12t
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.
GP10
PHEFRAS
14
I/O
12t
In
t
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
PIN
22, 23
FUNCTION
Connected to a 48 MHz crystal and function as the working clock for all the
media reader interfaces.
VDD3V
40
+3.3V power supply for host interface, Memory Stick/SD Memory
interfaces, and internal core.
VDD
15
+5V power supply for Smart Card interface I/O pins.
VSS
6, 30
Ground.
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參數描述
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