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參數(shù)資料
| 型號： | X12xx-EVM(中文) |
| 英文描述： | Xicor RTC X12xx-EVM User Guide(XICOR RTC X12xx-EVM評估板使用說明) |
| 中文描述： | Xicor時(shí)鐘X12xx - EVM用戶指南（XICOR RTC的X12xx - EVM的評估板使用說明） |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 561K |
| 代理商： | X12XX-EVM(中文) |
mov @R0,#07H
inc R0
mov @R0,#04H
inc R0
mov @R0,#04H
inc R0
mov @R0,#20H
mov R0,#f_buf
ajmp write_device
4.
/
read_device:
mov R0,#f_buf
mov DPH,addh
mov DPL,addl
lcall RandomRead
mov @R0,A
inc R0
djnz r_len,read_n
ret
read_n:
mov R1,r_len
lcall SeqRead
ret
write_device:
mov R1,w_len
mov DPH,addh
mov DPL,addl
lcall ProgPage
ret
5.
IIC
;*****************************************************************************
;**
;** DESCRIPTION:
;**
;** This file contains general utility routines, written in the 80C51 assembly
;** language, which are used to interface the 80C51 to standard two-wire(IIC)
;** Serial Products. The interface between the 80C51 and IIC Device consists
;** of a clock (SCL) and a bidirectional data line (SDA).
;** The communication interface uses 2 pins from Port 1(P10 = SCL and P11 = SDA).
;** The following table lists all the subroutines in this file with a brief
;** description:
;**
;** Start: Generate the start condition
;** Stop: Generate the stop condition
;** ResetIIC: Issues the appropriate commands to force device reset
;** ProgPage: Transfer multible bytes from RAM buffer to IIC Device
DPH
DPL
www.ic base.c om
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