Specifications

II Table of content
CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0
Copyright © 2015, www.appotech.com. All Rights Reserved.
Table of content
Table of content ........................................................................................................................................ II
1 Product Overview .............................................................................................................................. 1
1.1 Outline ........................................................................................................................................ 1
1.2 Features ...................................................................................................................................... 1
2 Pin Definitions ................................................................................................................................... 2
2.1 CW6631B .................................................................................................................................... 2
2.1.1 Package ............................................................................................................................... 2
2.1.2 Pin Assignment ................................................................................................................... 2
2.1.3 Pin Description .................................................................................................................... 2
3 CPU Core Information ....................................................................................................................... 5
3.1 Architecture ............................................................................................................................... 5
3.2 Instruction Set ............................................................................................................................ 5
3.3 Memory Mapping ...................................................................................................................... 8
3.3.1 Program Memory Mapping ................................................................................................ 8
3.3.2 External Data Memory Mapping ........................................................................................ 9
3.3.3 Internal Data Memory Mapping ......................................................................................... 9
3.4 Interrupt Processing ................................................................................................................. 10
3.4.1 Interrupt sources .............................................................................................................. 10
3.4.2 Interrupt Priority............................................................................................................... 12
3.5 Special Function Register Mapping (SFR) ................................................................................. 12
3.6 Extend Special Function Registers Mapping (XSFR) ................................................................. 13
3.7 CPU and Memory related SFR Description .............................................................................. 14
4 Reset Generation ............................................................................................................................. 24
4.1 Power-on Reset (POR) .............................................................................................................. 24
4.2 System Reset ............................................................................................................................ 24
4.2.1 LVD .................................................................................................................................... 25
4.2.2 RTCC Reset ........................................................................................................................ 26
4.2.3 Watchdog Reset ............................................................................................................... 26