at89lp2052-20xi ATMEL Corporation, at89lp2052-20xi Datasheet - Page 73
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at89lp2052-20xi
Manufacturer Part Number
at89lp2052-20xi
Description
At89lp2052 8-bit Microcontroller With 2/4-kbyte Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP2052-20XI.pdf
(93 pages)
Available stocks
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Manufacturer
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Part Number:
AT89LP2052-20XI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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23.5.1
3547H–MICRO–5/07
Power-up Sequence
Figure 23-21. ISP/Serial Programming Device Connections
Note:
Execute this sequence to power-up the device before serial programming.
Figure 23-22. Serial Programming Power-up Sequence
1. Apply power between VCC and GND pins.
2. Keep SCK (P1.7) and SS (P1.4) at “L”.
3. Wait 10 µs and bring RST and SS to “H”.
4. Wait at least 2 ms for internal Power-on Reset to time out.
SCK frequency should be less than 5 MHz.
MISO
MOSI
RST
SCK
V
SS
CC
Serial Clock
Serial Out
Se rial In
CS
P1.7/SCK
P1.6/MISO
P1.5/MOSI
P1.4/SS
GND
AT89LP2052/LP4052
HIGH Z
HIGH Z
AT89LP2052/LP4052
VCC
RST
2.7 to 5.5V
V IH
73
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