參數(shù)資料
型號(hào): EP7212-CV-A
廠商: CIRRUS LOGIC INC
元件分類: 微控制器/微處理器
英文描述: HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
中文描述: 32-BIT, MROM, 74 MHz, RISC MICROCONTROLLER, PQFP208
封裝: LQFP-208
文件頁數(shù): 132/136頁
文件大?。?/td> 2289K
代理商: EP7212-CV-A
EP7212
132
DS474PP1
STR r0,[r12,#HwUartControl] ;initialise Uart
; Send ready signal
LDR r0,=startflag
STRB r0,[r12,#HwUartData] ; send ready
; receive the data
LDR r3,=count
LDR r2,=BufferAddress
01
; wait for byte available
LDR r1,[r12,#HwStatus] ; spin, if Rx FIFO is empty
TST r1,#HwStatusUartRxFifoEmpty
BNE %b01
; read the data ,store it and accumulate checksum
LDRB r0,[r12,#HwUartData] ; read data
STRB r0,[r2],#1 ; save it in memory
SUBS r3,r3,#1 ; decrement count
BNE %b01 ; do more if count has not expired
; all received, send end flag
LDR r0,=endflag
STRB r0,[r12,#HwUartData] ; send reply
LDR r15,=codeexeaddr ;jump to execution address
LTORG
END
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