XR17V352 datasheet(25/64 Pages) EXAR

Part #	XR17V352

Description	HIGH PERFORMANCE DUAL PCI EXPRESS UART

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Manufacturer	EXAR [Exar Corporation]

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25 / 64 page

PRELIMINARY

XR17V352

25

REV. P1.0.1

HIGH PERFORMANCE DUAL PCI EXPRESS UART

There are 2 sets of 6 registers that select, control and monitor the 16 multipurpose inputs and outputs.

Figure 8 shows the internal circuitry

FIGURE 8. MULTIPURPOSE INPUT/OUTPUT INTERNAL CIRCUIT

MP IO

P in [15:0]

M P IO LV L [15:0]

R ead Input Level

M P IO IN T [15:0]

R ising E dge

Detection

IN T

AN D

1

0

M P IO S E L [15:0]

(Select Input=1, O utput=0 )

M P IO 3T [15:0]

(3-state Enable =1)

M P IO LV L [15:0]

(O utput Level)

M P IO IN V [15:0]

(Input Inversion Enable =1)

M P IO O D [15:0]

(O pen-D rain Enable =1)

AN D

OR

.

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