W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 216

• Manufacturer Part Number: W83627UHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627UHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18.3.5
18.3.6
FDC: Data rate = 1MB, 500KB, 300KB, 250KB/sec.
Notes:
1. Typical values for T = 25 ° C and normal supply voltage.
2. Programmable from 0.5 mS through 32 mS as described in step rate table.
SMBCLK
SMBDAT
DIR# setup time to STEP#
DIR# hold time from STEP#
STEP# pulse width
STEP# cycle width
INDEX# pulse width
RDATA# pulse width
WD# pulse width
P
(Please refer to the description of the SPECIFY command set.)
T
BUF
SMBus Timing
Floppy Disk Drive Timing
S
T
PARAMETER
HD:STA
T
LOW
T
T
R
HD:DAT
T
HIGH
T
F
Step Rate Table
SYM.
T
T
T
T
T
T
T
DST
STD
STP
IDX
WD
SC
RD
T
-201-
SU:DAT
/13.8/27.
/417/500
/225/475
6.8/11.5
NOTE 2
125/250
100/185
/2.0/4.0
1.0/1.6
/48/96
24/40
MIN.
T
40
8
SU:STA
Publication Release Date: March 24, 2008
S
(NOTE 1)
/250/500
NOTE 2
125/210
7/11.7
/14/28
TYP.
W83627UHG
/14.2/28.
/275/525
7.2/11.9
NOTE 2
150/235
MAX.
2
T
SU:STO
Revision 1.44
UNIT
mS
µ S
µ S
µ S
nS
nS
nS
P