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AT89LP4052 데이터시트(PDF) 71 Page - ATMEL Corporation

부품명 AT89LP4052
상세설명  8-bit Microcontroller with 2/4-Kbyte Flash
PDF  94 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89LP4052 데이터시트(HTML) 71 Page - ATMEL Corporation

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71
3547J–MICRO–10/09
AT89LP2052/LP4052
23.4.15
Read Status
Function:
• Read memory status byte.
Usage:
1.
Bring CS (P3.2) low.
2.
Drive P1 to 0xAA and pulse XTAL1 high.
3.
Drive P1 to 0x60 and pulse XTAL1 high.
4.
Drive P1 to 0x00 and pulse XTAL1 high.
5.
Drive P1 to 0x00 and bring XTAL1 high.
6.
Tri-state P1.
7.
Bring XTAL1 low.
8.
Read data from P1.
9.
Drive CS high.
Figure 23-19. Read Status Sequence
Note:
The waveform on this page is not to scale.
AAh
60h
00h
00h
1111SSSS
CS
XTAL1
P1



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