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參數(shù)資料
| 型號： | AN1759 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Add a Non-Volatile Clock to the MC68HC705J1A |
| 中文描述： | 添加非易失時鐘的MC68HC705J1A |
| 文件頁數(shù)： | 15/24頁 |
| 文件大?。?/td> | 316K |
| 代理商： | AN1759 |
Application Note
Development Tools
AN1759
15
f.
Transmit the DS1307 code to read from the device of
%11010001.
g.
Read the date and time and store away to HC05 RAM.
h.
Transmit a stop condition.
Since the real-time clock is running, you can restart the code at step 3
and verify that it is keeping time.
This routine demonstrates the interface software needed to
communicate with the DS1307. Although the J1A was used, any HC05
device could utilize this interface code. Minor adjustments of port pins
and memory maps might be necessary.
Development Tools
The interface was created and tested using these development tools:
M68MMPFB0508 — Freescale MMEVS platform board
X68EM05J1A — Freescale J1A emulation module
Win IDE Version 1.02 — Editor, assembler, and debugger by
P&E Microcomputer Systems
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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