+ RF. BK2450 Datasheet

BK2450 RF. Datasheet pdf. Equivalent

BK2450 Datasheet
Recommendation BK2450 Datasheet
Part BK2450
Description MCU + RF
Feature BK2450; BK2450 BK2451D/BK2452M Datasheet BK51 MCU+RF V1.3 Beken Corporation 3A,1278 Keyuan Rd,Zhangjiang .
Manufacture Beken
Datasheet
Download BK2450 Datasheet




Beken BK2450
BK2450
BK2451D/BK2452M
Datasheet
BK51 MCU+RF
V1.3
Beken Corporation
3A,1278 Keyuan Rd,Zhangjiang High-Tech Park
Pudong new Distrinct,Shanghai,201203,china
Tel(86)21 51086811
Fax(86)21 60871277
This document contains information that may be proprietary to, and/or secrets of, Beken Corporation. The
contents of this document should not be disclosed outside the companies without specific written permission.
Disclaimer: Descriptions of specific implementations are for illustrative purpose only, actual hardware
implementation may differ.
© 2011 Beken Corporation
Proprietary and Confidential
Page 1 of 78



Beken BK2450
Revision History
BK2450
Version
0.1
1.0
1.1
1.2
Date
Mar. 8,2014
May 30, 2014
Oct 22, 2014
Oct 24, 2014
Author(s)
Lizhen
Lizhen
Lizhen
Lizhen
Description
Initial flash version
Define the package for MP
Add QFN-32 package
Add RF part parameter
© 2011 Beken Corporation
Proprietary and Confidential
Page 2 of 78



Beken BK2450
BK2450
Table of Contents
1 Introduction................................................................................................................. 8
2 Feature......................................................................................................................... 8
2.1 BK2451 ................................................................................................................. 8
2.2 BK2452 ................................................................................................................. 8
3 Block Diagram ............................................................................................................ 9
BK2451 ........................................................................................................................... 9
BK2452 ........................................................................................................................... 9
4 PIN information ........................................................................................................ 10
4.1 BK5100 RAM version (only used for development).......................................... 10
4.2 BK2451D ............................................................................................................ 12
4.3 BK2452M-SOP................................................................................................... 13
4.4 BK2452M-QFN .................................................................................................. 14
5 BK51 Micro-Controller ............................................................................................ 15
5.1 Instruction Set ..................................................................................................... 15
5.2 Memory organization.......................................................................................... 21
5.2.1 Program memory ......................................................................................... 21
5.2.2 Data memory................................................................................................ 21
5.2.3 General register............................................................................................ 23
5.2.4 Bit address space.......................................................................................... 23
5.2.5 Stack............................................................................................................. 23
5.2.6 SFR .............................................................................................................. 24
5.3 Power management............................................................................................. 27
5.3.1 Work State ................................................................................................... 28
5.3.2 Wake Up ...................................................................................................... 29
5.4 Interrupt............................................................................................................... 30
5.4.1 Interrupt priority........................................................................................... 30
5.4.2 Interrupt sampling........................................................................................ 31
5.4.3 Clear interrupt .............................................................................................. 32
5.4.4 Register relevant to interrupt ....................................................................... 32
6 Reset system.............................................................................................................. 37
7 Clock system............................................................................................................. 38
8 General I/O................................................................................................................ 39
8.1 Basic function ..................................................................................................... 39
8.2 Wake up function................................................................................................ 39
8.3 Second function of port....................................................................................... 40
8.3.1 Sencond function ......................................................................................... 40
8.3.2 SECOND FUCNTION FOR GPIO ............................................................. 41
9 Watch Dog ................................................................................................................ 42
10 Timer......................................................................................................................... 43
10.1 Timer0 and Time1............................................................................................... 43
10.1.1 Mode0 .......................................................................................................... 44
10.1.2 Mode1 .......................................................................................................... 45
10.1.3 Mode2 .......................................................................................................... 45
© 2011 Beken Corporation
Proprietary and Confidential
Page 3 of 78







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