AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 173

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AT89C5131A-M

Manufacturer Part Number
AT89C5131A-M
Description
Manufacturer
Atmel Corporation
Datasheets

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
27.5
27.6
27.6.0.1
27.6.0.2
4337K–USB–04/08
USB AC Parameters
SPI Interface AC Parameters
Definition of Symbols
Timings
Differential
Data Lines
V
CRS
Table 27-14. USB AC Parameters
Table 27-15. SPI Interface Timing Symbol Definitions
Test conditions: capacitive load on all pins= 50 pF.
Table 27-16. SPI Interface Master AC Timing
C
I
O
Symbol
t
FDRATE
V
t
t
t
t
DJ1
DJ2
JR1
JR2
t
t
CRS
R
F
10%
Parameter
Rise Time
Fall Time
Full-speed Data Rate
Crossover Voltage
Source Jitter Total to Next
Transaction
Source Jitter Total for Paired
Transactions
Receiver Jitter to Next
Transaction
Receiver Jitter for Paired
Transactions
Rise Time
Signals
t
R
Clock
Data In
Data Out
90%
90%
11.9700
-18.5
Min
-3.5
1.3
-4
-9
4
4
Fall Time
t
F
Typ
10%
AT89C5130A/31A-M
H
L
V
X
Z
12.0300
Max
18.5
2.0
3.5
20
20
4
9
Conditions
Mb/s
Unit
ns
ns
ns
ns
ns
ns
V
High
Low
Valid
No Longer Valid
Floating
V
V
Hmin
Lmax
Test Conditions
173

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