AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 19
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
6.3
6.3.1
6.3.1.1
6.3.1.2
4173ES–USB–09/07
AC Characteristics
External 8-bit Bus Cycles
Definition of Symbols
Timings
Table 6. External 8-bit Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins = 50 pF.
Table 7. External 8-bit Bus Cycle – Data Read AC Timings
V
DD
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
RHDX
RLRH
RHLH
AVDV
AVRL
RLDV
RHDZ
CLCL
LHLL
AVLL
LLAX
LLRL
RLAZ
= 2.7 to 3.3V, T
W
A
D
Q
R
L
Parameter
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to RD Low
RD Pulse Width
RD high to ALE High
Address Valid to Valid Data In
Address Valid to RD Low
RD Low to Valid Data
RD Low to Address Float
Data Hold After RD High
Instruction Float After RD High
Signals
A
Address
Data In
ALE
Data Out
RD
WR
= -40° to +85°C
2·T
3·T
6·T
4·T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
0
Standard Mode
Variable Clock
-20
-20
-20
-15
-30
-25
-30
9·T
5·T
2·T
T
CLCL
Max
CLCL
CLCL
CLCL
0
+20
-65
-30
-25
0.5·T
0.5·T
1.5·T
0.5·T
3·T
2·T
T
H
V
X
Z
L
CLCL
Min
CLCL
CLCL
50
CLCL
CLCL
CLCL
CLCL
0
Variable Clock
-15
-25
-30
Conditions
-20
-20
-30
-20
X2 Mode
AT89C5132
High
Low
Valid
No Longer Valid
Floating
0.5·T
4.5·T
2.5·T
T
CLCL
Max
CLCL
CLCL
CLCL
0
-25
+20
-65
-30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
19