CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 566

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CS5535-UDCF

Manufacturer Part Number
CS5535-UDCF
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet

Specifications of CS5535-UDCF

Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant

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7.3.11
The “recommended use” for GPIO3 and GPIO4 is DDC
support signals DDC_SCL and DDC_SDA, because these
two GPIOs have a high drive capacity, open-drain output.
They use an “SMB” buffer type. The 32 kHZ clock output is
a mux option on GPIO27 and uses a “Q7” buffer. For a
detailed explanation of buffer types, see Table 3-4 "Buffer
Type Characteristics" on page 33.
In this subsection, unless otherwise noted:
Note 1. t
Note 2. GPIO27 configured: IN_AUX1 and Input Enable = 0; Output Enable and OUT_AUX2 = 1; Open-drain and
566
Signal
DDC_SCL (GPIO3)
DDC_SDA (GPIO4)
32KHZ (GPIO27)
t
OUT_AUX1 = 0.
VAL
VAL
Miscellaneous Signals
min times with load of: 10 pF cap to ground.
max times with load of: 50 pF cap to ground.
Table 7-19. Miscellaneous Signals Except UART Timing Parameters
31506B
Parameter
NA
t
VAL
Min
NA
2
• All timing specifications are specified under the oper-
• Signals are referenced to KHZ32_XCI high-to-low edge.
• Signal parameters are defined in Figure 7-2 "AC Refer-
Max
NA
ating conditions listed in Table 7-3 on page 546 (i.e.,
V
T
ence Timing and Test Definition" on page 550.
15
CORE
CASE
AMD Geode™ CS5535 Companion Device Data Book
= All).
and V
Units
ns
ns
CORE_VSB
Comment/Condition
See Section 7.3.13 "GPIO Signaling"
on page 568.
Note 1 and Note 2.
= All; V
IO
Electrical Specifications
and V
IO_VSB
= All;

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