參數(shù)資料
型號(hào): RB5C396
廠商: RICOH COMPANY LTD
元件分類: 總線控制器
英文描述: PC Card Controller compliant with PCMCIA 2.1/JEIDA 4.2
中文描述: PCMCIA BUS CONTROLLER, PBGA256
封裝: 23 X 23 MM, PLASTIC, BGA-256
文件頁(yè)數(shù): 50/93頁(yè)
文件大?。?/td> 449K
代理商: RB5C396
RF5C296/RF5C396L/RB5C396/RF5C396
46
HARDWARE DESIGN CONSIDERATIONS
For the RF5C296 and the RF5C396, the SPKROUT#, RI_OUT#, and INTR# pins function as output pins normally
but as input pins whose input status determine internal settings during the time that the RESETDRV pin is held at
high level as shown in the diagram below.
Internal settings can be made by pulling up or down these pins to such a degree as not to affect normal operation
(on the order of 10k
for ordinary circuits).
The SPKROUT# and RI_OUT# pins determine an index range for access to the internal registers as shown in the
table below :
RI_OUT#
VDD
VDD
GND
GND
SPKROUT#
VDD
GND
VDD
GND
Device bit
0
0
1
1
Slot bit
0
1
0
1
Index Range
00 to 3Fh
40 to 7Fh
80 to BFh
C0 to EFh
RF5C396
SPKROUT#
VDD
VDD
GND
GND
Device bit
0
0
1
1
Slot bit
0
1
0
1
Index Range
00 to 3Fh
40 to 7Fh
80 to BFh
C0 to EFh
SPKROUT#
RI_OUT#
INTR#
RESETDRV
Function as input pins
Function as output pins
Pin status capturing
1. Initial Value Setting Pins
RF5C296
1.1 SPKROUT# and RI_OUT# Pins
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