W83627DHG-PT Nuvoton Technology Corporation of America, W83627DHG-PT Datasheet - Page 196
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W83627DHG-PT
Manufacturer Part Number
W83627DHG-PT
Description
Manufacturer
Nuvoton Technology Corporation of America
Datasheet
1.W83627DHG-PT.pdf
(288 pages)
Specifications of W83627DHG-PT
Pin Count
128
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
W83627DHG-PT
Manufacturer:
NUVOTON
Quantity:
20 000
- Current page: 196 of 288
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Once the Start Frame has been initiated, the W83627DHG-P must start counting frames based on the
rising edge of the start pulse. Each IRQ/Data Frame has three clocks: the Sample phase, the
Recovery phase, and the Turn-around phase.
During the Sample phase, the W83627DHG-P drives SERIRQ low if the corresponding IRQ is active.
If the corresponding IRQ is inactive, then SERIRQ must be left tri-stated. During the Recovery phase,
the W83627DHG-P device drives the SERIRQ high. During the Turn-around phase, the W83627DHG-
P device leaves the SERIRQ tri-stated. The W83627DHG-P starts to drive the SERIRQ line from the
beginning of "IRQ0 FRAME" based on the rising edge of PCICLK.
The IRQ/Data Frame has a specific numeral order, as shown in Table 16.1.
16.2 IRQ/Data Frame
IRQ/DATA FRAME
32:22
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
SIGNAL SAMPLED
Table 16-1 SERIRQ Sampling Periods
Unassigned
IOCHCK#
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
INTA#
INTB#
INTC#
INTD#
IRQ0
IRQ1
SMI#
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
SERIRQ SAMPLING PERIODS
W83627DHG-P/W83627DHG-PT
-186-
# OF CLOCKS PAST
START
11
14
17
20
23
26
29
32
35
38
41
44
47
50
53
56
59
62
95
2
5
8
Publication Release Date: July 09, 2009
H/W Monitor & SMI
EMPLOYED BY
Reserved
Keyboard
Reserved
UART B
UART A
Mouse
FDC
LPT
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Version 1.94
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