ACR3901T-W1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 8 of 100
4.0. System Block Diagram
Figure 1
: ACR3901T-W1 Architecture
ACR3901T-W1
Battery Charge
Management IC
MCU
Bluetooth
External devices,
e.g computer or
mobile phone
LEDs
SAM card
Rechargeable Li-
ion Battery
Bluetooth Module
USB
External device,
e.g. computer
Buttons