AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 168
AT89C5131A-M
Manufacturer Part Number
AT89C5131A-M
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C5130A-M.pdf
(188 pages)
2.AT89C5130A-M.pdf
(4 pages)
3.AT89C5130A-M.pdf
(34 pages)
Specifications of AT89C5131A-M
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
48 MHz
Cpu
8051-12C
Max I/o Pins
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
1
Sram (kbytes)
1.25
Eeprom (bytes)
1024
Self Program Memory
API
Operating Voltage (vcc)
2.7 to 5.5
Timers
4
Isp
UART/USB
Watchdog
Yes
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27.4.5
168
AT89C5130A/31A-M
External Data Memory Write Cycle
Table 27-7.
PORT 0
PORT 2
PSEN
ALE
WR
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
RHDX
AVWL
WHLH
WHLH
RLRH
RLDV
RHDZ
AVDV
LLDV
LLWL
LLWL
RLAZ
OR SFR-P2
ADDRESS
AC Parameters for a Variable Clock
Type
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
A0-A7
T
T
LLAX
AVWL
Standard
T
3 T + x
LLWL
Clock
6 T - x
6 T - x
5 T - x
2 T - x
8 T - x
9 T - x
3 T - x
4 T - x
7 T - x
T + x
T - x
T - x
T - x
x
x
ADDRESS A8-A15 OR SFR P2
T
QVWX
X2 Clock
1.5 T + x
0.5 T + x
2.5 T - x
4.5 T - x
1.5 T - x
0.5 T - x
3.5 T - x
0.5 T - x
0.5 T - x
3 T - x
3 T - x
2 T - x
4T -x
T - x
x
x
T
QVWH
T
DATA OUT
WLWH
X Parameter
20
20
25
20
40
60
25
25
25
15
25
10
15
15
0
0
T
WHLH
4337K–USB–04/08
Units
T
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WHQX
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