AT89LP52-20PU Atmel, AT89LP52-20PU Datasheet - Page 99
AT89LP52-20PU
Manufacturer Part Number
AT89LP52-20PU
Description
IC MCU 8051 8K FLASH SPI 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP52-20MU.pdf
(113 pages)
Specifications of AT89LP52-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
8KB (8K 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
40-DIP (0.600", 15.24mm)
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
Serial
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
36
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
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Figure 18-6. External Program Memory Read Cycle
Figure 18-7. External Data Memory Read Cycle
Figure 18-8. External Data Memory Write Cycle
3709B–MICRO–12/10
PORT 0
PORT 2
PSEN
ALE
PORT 0
PORT 2
PORT 0
PORT 2
ALE
ALE
WR
RD
P2
P2
t
t
AVLL
AVLL
t
AVLL
t
t
LHLL
LHLL
t
LHLL
A0 - A7
A0 - A7
t
LLAX
A8 - A15 FROM DPH OR P2.0 - P2.7
A8 - A15 FROM DPH OR P2.0 - P2.7
A0 - A7
t
t
t
AVWL
QVWX
AVWL
t
RLAZ
t
LLPL
t
AVIV
t
t
t
LLWL
AVDV
LLWL
t
t
LLAX
t
LLAX
LLDV
A8 - A15
t
PLAZ
DATA OUT
t
QVWH
t
t
t
t
LLIV
PLIV
INSTR IN
WLWH
RLRH
t
PXIX
AT89LP51/52 - Preliminary
t
t
PXIZ
RLDV
t
RHDX
DATA IN
t
t
PLPH
PXAV
t
t
WHLH
WHLH
t
t
t
t
RHDZ
WHAX
WHQX
WHAX
A8 - A15
A0 - A7
P2
P2
99
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