AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 175
AT89LP6440-20PU
Manufacturer Part Number
AT89LP6440-20PU
Description
MCU 8051 64K FLASH ISP 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP6440-20MU.pdf
(194 pages)
Specifications of AT89LP6440-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
8K x 8
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 26-6. External Data Memory Read Cycle
Figure 26-7. External Data Memory Write Cycle
26.7
The values shown in these tables are valid for T
Table 26-5.
3706A–MICRO–9/09
Symbol
t
t
t
t
t
t
t
CLCL
SCK
SHSL
SLSH
SR
SF
SIS
Serial Peripheral Interface Timing
SPI Master Characteristics
PORT 0
PORT 2
PORT 0
PORT 2
Parameter
Oscillator Period
Serial Clock Cycle Time
Clock High Time
Clock Low Time
Rise Time
Fall Time
Serial Input Setup Time
ALE
ALE
WR
RD
P2
P2
t
t
AVLL
AVLL
t
t
LHLL
LHLL
A0 - A7
A0 - A7
A8 - A15 FROM DPH OR P2.0 - P2.7
A8 - A15 FROM DPH OR P2.0 - P2.7
t
t
t
A
AVWL
QVWX
AVWL
t
RLAZ
= -40°C to 85°C and V
t
t
t
LLWL
AVDV
LLWL
t
t
LLAX
LLAX
t
LLDV
DATA OUT
t
QVWH
t
t
WLWH
RLRH
t
t
SCK
SCK
t
DD
4t
RLDV
t
AT89LP6440 - Preliminary
41.6
RHDX
Min
/2 - 25
/2 - 25
10
CLCL
DATA IN
= 2.4 to 3.6V, unless otherwise noted.
t
t
WHLH
WHLH
t
t
t
t
RHDZ
WHAX
WHQX
WHAX
Max
25
25
P2
P2
Units
ns
ns
ns
ns
ns
ns
ns
175
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