Product Specs

4
□文件新增 Addition of Document ■文件變更 Alteration of Document □文件作廢 Revocation of Document
Subject: Doc. No.: Rev: 2
UMC-STD31LF Product Specification Page 9 of 54
本資料為啟碁科技股份有限公司專有之財產，非經書面許可，不准透露或使用本資料，亦不准複印，複製或轉變成其他形式使用。
The information contained herein is the exclusive property of WNC and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission from WNC.
Form No.: 2-JT-00022-03_001
UMC-STD31LF Product Specification
9
2.2 Software stack
Figure shows the software stack on MTK/MT2731 platform working on LINUX operation system which
Kernel version is 4.14. For telephony, NAD supports not only voice calls but also SMS over CS and IMS
3 Board placement
3.1 Top side
CCCI
MD (Modem Processor)
WNC
SMD/BAM
Kernel
Space
IPv4/IPv6
Protocol Stack
USB Driver
I2S
Driver
UART
Driver
GPIO
Driver
User space
CCCI
RF
Drivers
GPIO
Driver
MCP
Driver
ARM Cortex A 53 (Application Processor)
CDC
Driver
SDIO
Driver
MCP
Driver
WIFI
Driver
* Partition Integrity
Protection
OMA-DM
NV RAM
Telematics SW Module
EMAC
Driver
Audio Codec
Driver
G sensor
Driver
Car Eth
Driver
AT
command
Storage
File system
Radio Protocols
GPSD
Radio Interface
Trusted
Execution
Environment
(TEE)
Storage
File system
Diagnostic Tools
* license or additional fee is required
Vendor
3
rd
Party *
Customer
Legend
TCU APP
TCU APP
TCU APP
A/B Update
Secure
Boot
* SFS
* RFS
Integrity