Edge-Core AS7326-56X Programming Guide

EDGECORE NETWORKS CORPORATION 2018
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If BMC want to send UART message to CPU via UART0 of CPU, “BMC_UART0_DIR_SEL” would
be driven to “0” from “1”.
Figure 23 UART connection
BDXDE
Level shift
Level shift
UART0
UART1
120pin BTB connector
BMM
Table 11 CONN18 PIN ASSIGNMENT
Pin Number
Description
1
VCC
2
TX
3
RX
4
GND
3.11.6. USB
The USB interface is 2.0 and used for vMEDIA function defined by IPMI.
3.11.7. GPIO
The BMC module achieves several functions via GPIO to control the whole chassis.
The following table shows the brief description for these functions.
Table 12 BMC GPIO Definition
Signal name
Function
pin
pin
Function
Signal name
CPLD_CPU_PROCHOT_N
CPU PROCHOT
event indicator
29
30
UART0 RX is sent by
front panel UART
console or BMC
module
1: from BMC
0: From CPU
BMC_UART0_DIR_SEL_R
CPLD_CPU_THERMTRIP_N
THERMTRIP event
indication
31
32
BMC present
1: no BMC present
0: BMC present
BMC_HW_present
TPM_DET_N
TPM module detect
33
34
I2C mux select
1: host is CPU
0: host is BMC
I2C multipleixer select

Edge-Core AS7326-56X Specifications

General

Brand	Edge-Core
Model	AS7326-56X
Category	Switch
Language	English