AT89LP2052-16XI Atmel, AT89LP2052-16XI Datasheet - Page 61
![IC 8051 MCU FLASH 2K 20TSSOP](/photos/6/80/68045/313-20-tssop_sml.jpg)
AT89LP2052-16XI
Manufacturer Part Number
AT89LP2052-16XI
Description
IC 8051 MCU FLASH 2K 20TSSOP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP2052-16XI
Core Processor
8051
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89LP2052-20XI
AT89LP2052-20XI
AT89LP2052-20XI
- Current page: 61 of 94
- Download datasheet (2Mb)
23.4.1
23.4.2
3547J–MICRO–10/09
Power-up Sequence
Power-down Sequence
Execute the following sequence to power-up the device before parallel programming.
Figure 23-5. Parallel Mode Power-up Operation
Execute the following sequence to power-down the device after parallel programming.
Figure 23-6. Parallel Mode Power-down Operation
Note:
1. Apply power between VCC and GND pins.
2. After V
3. Wait 2 ms for the internal Power-on Reset to time out.
4. Bring P3.2 to “H” and then wait 10 µs.
5. Raise RST/V
6. After V
1. Tri-state P1.
2. Bring RST/V
3. Bring XTAL and P3.2 to “L”.
4. Bring RST to “L” and wait 10 µs.
5. Power off V
The waveforms on this page are not to scale.
XTAL1
XTAL1
P3.2
P3.2
RST
RST
V
V
P1
P1
CC
CC
CC
PP
has settled, wait an additional 10 µs before programming.
has settled, wait 10 µs and bring RST to “H”.
CC
PP
PP
.
down from 12V to V
to 12V to enable the parallel programming modes.
CC
HIGH Z
and wait 10 µs.
HIGH Z
AT89LP2052/LP4052
V
V
V
V
PP
IH
PP
IH
61
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