AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 160
AT89C5132
Manufacturer Part Number
AT89C5132
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C5132.pdf
(3 pages)
2.AT89C5132.pdf
(182 pages)
3.AT89C5132.pdf
(38 pages)
4.AT89C5132.pdf
(33 pages)
Specifications of AT89C5132
Flash (kbytes)
64 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-12C
Max I/o Pins
44
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Uart
1
Adc Channels
2
Adc Resolution (bits)
10
Adc Speed (ksps)
22.7
Sram (kbytes)
2.25
Self Program Memory
API
Operating Voltage (vcc)
2.7 to 3.6
Timers
2
Isp
UART/USB
Watchdog
Yes
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23.3.1.3
160
AT89C5132
Waveforms
Table 110. External 8-bit Bus Cycle – Data Write AC Timings
V
Figure 23-8. External 8-bit Bus Cycle – Data Read Waveforms
DD
Symbol
T
T
T
T
T
T
T
T
T
T
WLWH
QVWH
WHQX
WHLH
AVWL
CLCL
LHLL
AVLL
LLAX
LLWL
= 2.7 to 3.3V, T
Parameter
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to WR Low
WR Pulse Width
WR High to ALE High
Address Valid to WR Low
Data Valid to WR High
Data Hold after WR High
ALE
RD
P0
P2
A
= -40° to +85°C
T
LHLL
T
AVLL
A7:0
T
AVRL
T
2·T
3·T
6·T
4·T
7·T
T
T
LLAX
T
T
T
T
T
RLAZ
LLRL
CLCL
CLCL
CLCL
CLCL
AVDV
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
Standard Mode
Variable Clock
-20
-20
-20
-15
-15
-30
-25
-30
-20
T
RLDV
T
CLCL
Max
T
A15:8
RLRH
+20
Data In
0.5·T
0.5·T
1.5·T
0.5·T
3.5·T
0.5·T
D7:0
3·T
2·T
T
CLCL
CLCL
CLCL
Min
50
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
T
RHDX
-15
T
Variable Clock
-25
-30
RHDZ
-20
-20
-30
-20
-20
-15
T
X2 Mode
RHLH
0.5·T
Max
CLCL
+20
4173E–USB–09/07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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