AT89LP3240 Atmel Corporation, AT89LP3240 Datasheet - Page 179
AT89LP3240
Manufacturer Part Number
AT89LP3240
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT89LP3240.pdf
(200 pages)
Specifications of AT89LP3240
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-1C
Max I/o Pins
38
Spi
1
Twi (i2c)
1
Uart
1
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
153.8
Sram (kbytes)
4.25
Eeprom (bytes)
8192
Self Program Memory
IAP
Operating Voltage (vcc)
2.4 to 3.6
Timers
3
Isp
SPI/OCD
Watchdog
Yes
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Figure 26-15. External Data Memory Read Cycle
Figure 26-16. External Data Memory Write Cycle
26.8
The values shown in these tables are valid for T
Table 26-5.
3706C–MICRO–2/11
Symbol
t
t
t
t
t
t
CLCL
SCK
SHSL
SLSH
SR
SF
3. Parameter t
4. The strobe pulse width may be lengthened by 1, 2 or 3 additional t
5. Parameter t
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
ALE
ALE
WR
LHLL
WHLH
RD
applies only when ALES = 1.
applies only when ALES = 0, or when two MOVX instructions occur in succession.
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
CLCL
t
DD
4t
RLDV
t
41.6
RHDX
Min
/2 - 25
/2 - 25
CLCL
DATA IN
using wait states.
= 2.4 to 3.6V, unless otherwise noted.
t
t
WHLH
WHLH
t
t
t
t
AT89LP3240/6440
RHDZ
WHAX
WHQX
WHAX
Max
25
25
P2
P2
Units
ns
ns
ns
ns
ns
ns
179
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