STP2001QFP Sun Microelectronics, STP2001QFP Datasheet - Page 12

• Manufacturer Part Number: STP2001QFP
• Description: Integrated SBus Interface Slave I/O Controller
• Manufacturer: Sun Microelectronics

STP2001.frm Page 12 Monday, August 25, 1997 2:46 PM
AC Characteristics: Serial/Keyboard/Mouse Controllers Timing
1. The input SER_CLK is used to clock the serial controllers and the keyboard/mouse controller. The timing numbers in this section
12
Signal #
apply to both of these controllers.
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
STP2001QFP
SER_CLK low width
SER_CLK high width
SER_CLK cycle time (t
SER_RTXC width
SER_RTXC cycle time
SER_TRXC width
SER_TRXC cycle time
SER_DCD or SER_CTS width
SER_SYNC width
SER_RXD to SER_RTXC setup time
SER_RXD to SER_RTXC hold time
SER_SYNC to SER_RTXC setup time
SER_SYNC to SER_RTXC hold time
SER_TRXC to SER_TXD delay
SER_TXD to SER_TRXC delay
Parameter
Slave I/O
Integrated SBus Interface Slave I/O Controller
[1]
PC
)
Conditions
-200
Min
122
150
150
200
200
150
50
50
4
4
0
5
–
–
Max
200
200
–
–
–
–
–
–
–
–
–
–
–
–
–
Units
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PC
PC
PC
July 1997