參數(shù)資料
型號: PC89C660
廠商: NXP Semiconductors N.V.
元件分類: 8位微控制器
英文描述: 80C51 8-bit Flash microcontroller family
中文描述: 80C51的8位閃存微控制器系列
文件頁數(shù): 31/89頁
文件大小: 491K
代理商: PC89C660
Philips Semiconductors
Product data
P89C660/P89C662/P89C664/
P89C668
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
2002 Oct 28
31
STA FLAG
START CONDITION
(1) Unsuccessful attempt to send a Start condition
(2) SDA line released
(3) Successful attempt to send a Start condition; state 08H is entered
SDA LINE
SCL LINE
(1)
(1)
(2)
(3)
SU00977
Figure 14. Recovering from a Bus Obstruction Caused by a Low Level on SDA
An I
2
C byte-oriented system driver is described in application note AN435. Please visit
http://www.semiconductors.philips.com/products/all_appnotes.html
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