pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 396

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

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7.0 Device Specifications
7.6.9
Symbol
t
t
t
t
SCLlowi
CSTRhi
t
CSTOsi
CSTRsi
t
t
t
t
DHCsi
DLCsi
SCLri
SCLfi
BUFi
ACCESS.bus Timing
PSCLK1-4
PSDAT1-4
PSCLK1-4
148, 149
Figure
148
148
149
149
148
147
147
150
CLK
Bus free time between Stop
and Start condition
SCL setup time
SCL hold time
SCL setup time
Data high setup time
Data low setup time
SCL signal fall time
SCL signal rise time
SCL low time
Figure 146. PS/2 Clock Signal Pulled Low by PC87591x
t
PSDOh
Description
(Continued)
Figure 145. PS/2 Transmit Timing
t
PSDOv
t
PSCLKa
ACB Input Timing
t
PSCLKl
Before Stop condition
After Start condition
Before Start condition
Before SCL RE
Before SCL RE
After SCL FE
Reference Conditions
396
t
t
PSCLKh
8
8
8
PSCLKia
16
t
2
2
SCLhigho
*
*
*
t
t
t
Min
SCLri
SCLri
SCLri
*
*
t
t
t
*
CLK
CLK
CLK
t
t
CLK
CLK
t
CLK
Max
300
1
Revision 1.07
Unit
ns
-
-
-
-
-
-
-
s