Data Sheet
Linkplay Technology Inc. A128 SOM Datasheet Rev.03
Confidential of Linkplay Technology Inc. 3
1 Overview
A128 SOM: QCS405 + PMS405 + WCN3999 2x2 11ac/BT5.1 connectivity + QCA9377-3 System-
on-Module.
1.1 A128 Parameters
Key parameters of A128 are shown in Table 1-1
No. Type Description
Parameters
1 SoC Qualcomm QCS405
64-bit Arm CortexA53 quad-core, supports up to 12
Dolby channels
2
eMCP
LPDDR3
1GByte 32-bit wide memory support for up to
800MHz
3 eMMC5.1
8GByte
4 PMIC Qualcomm PMS405
Optimized for the QCS405
5
WLAN-BT
Qualcomm WCN3999
2x2 MIMO with IEEE 802.11 a/b/g/n/ac WLAN
standards
Bluetooth 5.0 + LE
6 Qualcomm QCA9377-3
5G 1x1 802.11 a/n/ac
7
Interface
Ethernet RGMII
10M/100M/1000M
8 USB
USB 2.0 and USB 3.0 with Type-C
9 I2S
x3
10 I2C
x4
11 PDM
Supports 4 D-MIC
12 IR IN
x1
13 UART
x2
14 GPIO
x40
Table 1-1 A128 Parameters