SL811HS
Physical Connections
These parts are offered in 48-pin TQFP package. The 48-pin TQFP package is the SL811HST-AXC.
48-Pin TQFP Physical Connections
48-Pin TQFP AXC Pin Layout
Figure 4. 48-Pin TQFP AXC USB Host/Slave Controller Pin Layout
NC
nDACK*
nDRQ*
D7
nRD
NC
VDD
[4]
NC
NC
A0
NC
M/S
37
1
36
48
NC
NC
NC
NC
NC
nWR
nCS
CM
D6
D5
D4
VDD1
Data+
Data-
48-Pin TQFP
GND
D3
USBGnd
NC
D2
D1
NC
NC
NC
12
24
NC
25
13
nRST
INTRQ
NC
GND
NC
NC
Clk/X1
VDD
NC
NC
D0
X2
*See Table 34 on page 21 for Pin and Signal Description for Pins 43 and 44 in Host Mode.
The diagram below illustrates a simple +3.3 V voltage source.
Figure 5. Sample VDD Generator
+5V (USB)
R1
45 Ohms
2N2222
Zener
+3.3 V (VDD)
3.9v, 1N52288CT-
GND
Sample VDD Generator
Note
4. NC. Indicates No Connection. NC Pins must be left unconnected.
Document 38-08008 Rev. *F
Page 20 of 32
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