ZT8101 Intel (CPU), ZT8101 Datasheet - Page 47

• Manufacturer Part Number: ZT8101
• Manufacturer: Intel (CPU)

Specifications of ZT8101

• Lead Free Status / RoHS Status: Supplier Unconfirmed

9.9
9.10
9.11
Intel
®
Table 22. IO Devices and Addresses
Table 23. GPIO Assignments
Table 24. J1 Pin Out (Sheet 1 of 2)
NetStructure
Local I2C Bus and GPIO
The I2C bus on the ZT 8101 switch for GPIO and system management monitoring uses the
following device and address.
The SCL and DTA signals are tied high to 3.3 V with 1 K ohm resistors.
GPIO
The following table describes all the GPIO of the TX3927 CPU on the ZT 8101 switch.
Rear Panel Connector
The ZT 8101 rear panel uses the same connectors as a CompactPCI 6U Module. The following
tables outline the pins used in J1 through J5. J1 is keyed as
J4 is keyed as
Chip
ATC24C02
Label Name
SDA_BRD
SCLK_BRD
25
24
23
22
21
20
19
18
17
TM
ZT 8101 10/100 Ethernet Switch Technical Product Specification
GND
GND
GND
GND
GND
GND
GND
GND
GND
Z
code number
I/O
I/O
O
Device
24C02
EARLY_5V
PreCharge
EARLY_3.3V
PreCharge
EARLY_3.3V
PreCharge
EARLY_3.3V
PreCharge
EARLY_3.3V
A
Chip
TX3927
TX3927
Address
001b
1235.
PreCharge
EARLY_5V
PreCharge
GND
PreCharge
GND
PreCharge
-NC-
IPMB_SCL
Pin
127
128
B
Description
Local I2C Bus
Local I2C Bus
Description
24C02 for storing hardware dependent information
ENUM#
-NC-
PreCharge
EARLY_3.3V
PreCharge
-NC-
PreCharge
EARLY_3.3V
IPMB_SDA
C
code number
EARLY_3.3V
PreCharge
EARLY_5V
PreCharge
-NC-
PreCharge
GND
PreCharge
GND
D
3456.
EARLY_5V
PreCharge
PreCharge
-NC-
PreCharge
PreCharge
PreCharge
-NC-
PreCharge
E
Hardware
GND
GND
GND
GND
GND
GND
GND
GND
GND
F
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