W83628AG Nuvoton Technology Corporation of America, W83628AG Datasheet - Page 11

• Manufacturer Part Number: W83628AG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83628AG

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Rad Hardened: No
• Lead Free Status / RoHS Status: Compliant

PCICLK
IRQSER
The main difference between the quite mode and the continuous mode for the IRQSER Frame is:
Driver
H=Host Control
1.
2.
3.
Stop pulse is 2 clocks wide for Quiet mode, 3 clocks wide for Continuous mode.
There may be none, one or more Idle states during the Stop Frame.
The next IRQSER cycle’s Start Frame pulse may or may not start immediately after the turn-around
clock of the Stop Frame.
S
FRAME
None
IRQ14
Quiet (Active) Mode: Any device may initiate a Start Frame by driving the IRQSER
Continuous (Idle) Mode: Only the Host controller can initiate a Start Frame to update
R
Stop Frame Timing with Host using 17 IRQSER sampling period
low for one clock, while the IRQSER is Idle.
IRQ/Data line information.
T
R=Recovery
S
IRQ15
IRQ15
FRAME
R
T
S
IOCHCK#
None
FRAME
R
T=Turn-around
- 6 -
T
W83628AG & W83629AG
I
2
STOP FRAME
Publication Release Date: January, 2008
Host Controller
STOP
H
S=Sample
1
R
T
I= Idle.
NEXT CYCLE
Revision 1.2
START
3