CC2430-RTR1-F64 datasheet(158/234 Pages) TI

номер детали	CC2430-RTR1-F64

подробное описание детали	A True System-on-Chip solution for 2.4 GHz IEEE 802.15.4 / ZigBee-TM

PDF	234 Pages

Scroll/Zoom	100%

производитель	TI [Texas Instruments]

домашняя страница	http://www.ti.com

Logo

158 / 234 page

CC2430

CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A

Page 158 of 232

Setup DMA channel:

SRCADDR=<XDATA location>

DESTADDRR=FWDATA

VLEN=0

LEN=<block size>

WORDSIZE=byte

TMODE=single mode

TRIG=FLASH

SRCINC=yes

DESTINC=no

IRQMASK=yes

M8=0

PRIORITY=high

Arm DMA Channel

Start flash write

Setup flash address

; Write a consecutive block of data from XDATA to consecutive locations in

; flash memory using DMA

; Assumes 32 MHz system clock is used

;

MOV

DPTR,#DMACFG

;load data pointer with address for DMA

;channel configuration and

;start writing DMA configuration

MOV

A,#SRC_HI

;source data high address

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#SRC_LO

;source data low address

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#0DFh

;destination high address = HIGH(X_FWDATA)

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#0AFh

;destination low address = LOW(X_FWDATA)

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#BLK_LEN

;block length

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#012h

;8 bits, single mode, use FLASH trigger

MOVX

@DPTR,A

;

INC

DPTR

;

MOV

A,#042h

;increment source by 1, don’t increment

MOVX

@DPTR,A

;destination, mask interrupt, high DMA

;priority

MOV

DMA0CFGL,#DMACFG_LO ;setup start address for current DMA

MOV

DMA0CFGH,#DMACFG_HI ;configuration

MOV

DMAARM,#01h

;arm DMA channel 0

MOV

FADDRH,#00h

;setup flash address high

MOV

FADDRL,#01h

;setup flash address low

MOV

FWT,#2Ah

;setup flash timing

MOV

FCTL,#02h

;start flash page write => trigger DMA

Figure 34: Flash write using DMA

CC2430-RTR1-F64 датащи(PDF) 158 Page - Texas Instruments

CC2430-RTR1-F64 датащи(HTML) 158 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL