AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 157
AT89C5131-S3SIL
Manufacturer Part Number
AT89C5131-S3SIL
Description
IC 8051 MCU FLASH 32K USB 52PLCC
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5131-S3SIL.pdf
(176 pages)
Specifications of AT89C5131-S3SIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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AC Parameters
Explanation of the AC
Symbols
External Program Memory
Characteristics
4136B–USB–09/03
Each timing symbol has 5 characters. The first character is always a “T” (stands for
time). The other characters, depending on their positions, stand for the name of a signal
or the logical status of that signal. The following is a list of all the characters and what
they stand for.
Example:T
T
T
(Load Capacitance for port 0, ALE and PSEN = 60 pF; Load Capacitance for all other
outputs = 60 pF.)
Table 112, Table 115 and Table 118 give the description of each AC symbols.
Table 113, Table 117 and Table 119 give for each range the AC parameter.
Table 114, Table 117 and Table 120 give the frequency derating formula of the AC
parameter for each speed range description. To calculate each AC symbols. take the x
value and use this value in the formula.
Example: T
x = 30 ns
T = 50 ns
T
Table 112. Symbol Description
A
A
CCIV
T
= -40 C to +85 C; V
= -40 C to +85 C; V
Symbol
LLPL
T
T
T
T
T
T
T
T
T
T
T
= 4T - x = 170 ns
PLPH
LHLL
AVLL
LLAX
LLPL
PLAZ
PLIV
PXIX
PXIZ
AVIV
LLIV
T
= Time for ALE Low to PSEN Low.
AVLL
LLIV
Parameter
Oscillator Clock Period
ALE Pulse Width
Address Valid to ALE
Address Hold after ALE
ALE to Valid Instruction In
ALE to PSEN
PSEN Pulse Width
PSEN to Valid Instruction In
Input Instruction Hold after PSEN
Input Instruction Float after PSEN
Address to Valid Instruction In
PSEN Low to Address Float
and 20 MHz, Standard clock.
= Time for Address Valid to ALE Low.
SS
SS
= 0V; V
= 0V; V
CC
CC
= 3.3V 10%; F = 0 to 40 MHz.
= 3.3V
10%.
AT89C5131
157
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