EP80579 Datasheet, PDF (1868/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 49-44. UART DC Clock Specification
\
49.5.7.3
49.5.7.4
Symbol
Parameter
Conditions
Min
Typical Max
Units
V_IH
Input voltage high
-
0.5VCC33
-
VCC33
+ 0.5
V
V_IL
Input voltage low
-
-
Ι_leak
Input Leakage
Current
0<V_IN<VCC33
-10
-
0.8
V
-
10
µA
C_IN
Input-pin
capacitance
-
5
-
12
pf
Notes:
1.
Guaranteed by design. These values are typical values seen for this process, but not measured
during production testing.
Notes
-
-
-
1
UART AC Characteristics
The AC electrical specifications of the UART interface are compliant with the PCI Local
Bus Specification, Rev 3.0 (refer to AC specifications for 3.3V signaling for more
information).
UART Receiver AC Specifications
Table 49-45. UART Timing
Parameter
SIU_RXD[2:1], SIU_CTS[2:1]#, SIU_DSR[2:1]#,
SIU_DCD[2:1]#, and SIU_RI[2:1]# Set up time to
UART_CLK rising
SIU_RXD[2:1], SIU_CTS[2:1]#, SIU_DSR[2:1]#,
SIU_DCD[2:1]#, and SIU_RI[2:1]# hold time from
UART_CLK rising
49.5.7.4.1 UART Transmitter AC Specifications
Min. Typical Max. Units Notes
7
ns
0
ns
Table 49-46. UART Timing
Parameter
SIU_TXD[2:1] Valid Delay from UART_CLK rising
SIU_TXD[2:1],SIU_DTR[2:1]# and SIU_RTS[2:1]#, Valid
Delay from UART_CLK rising
Min.
2
2
Typical
Max.
11
49.5.7.4.2 UART Clock Timings
14.7456 MHz, and 48 MHz are supported for UART baud clock input.
Units
ns
ns
Notes
Intel^® EP80579 Integrated Processor Product Line Datasheet
1868
August 2009
Order Number: 320066-003US