AT89C5131A-RDTIL Atmel, AT89C5131A-RDTIL Datasheet - Page 108
AT89C5131A-RDTIL
Manufacturer Part Number
AT89C5131A-RDTIL
Description
IC 8051 MCU FLASH 32K USB 64VQFP
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5131A-RDTIL
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
64-TQFP, 64-VQFP
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
-
Other names
AT89C5131-RDTIL
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Table 82. Status in Master Receiver Mode
108
SSSTA
Status
Code
08h
10h
38h
40h
48h
50h
58h
Status of the Two-
wire Bus and Two-
wire Hardware
A START condition has
been transmitted
A repeated START
condition has been
transmitted
Arbitration lost in
SLA+R or NOT ACK
bit
SLA+R has been
transmitted; ACK has
been received
SLA+R has been
transmitted; NOT ACK
has been received
Data byte has been
received; ACK has
been returned
Data byte has been
received; NOT ACK
has been returned
AT89C5131A-L
To/From SSDAT
Write SLA+R
Write SLA+R
Write SLA+W
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Application software response
SSSTA
X
X
X
0
1
0
0
1
0
1
0
0
1
0
1
SSSTO
To SSCON
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
SSI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SSAA
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
Next Action Taken by Two-wire Hardware
SLA+R will be transmitted.
SLA+R will be transmitted.
SLA+W will be transmitted.
Logic will switch to master transmitter mode.
Two-wire bus will be released and not addressed
slave mode will be entered.
A START condition will be transmitted when the bus
becomes free.
Data byte will be received and NOT ACK will be
returned.
Data byte will be received and ACK will be returned.
Repeated START will be transmitted.
STOP condition will be transmitted and SSSTO flag
will be reset.
STOP condition followed by a START condition will
be transmitted and SSSTO flag will be reset.
Data byte will be received and NOT ACK will be
returned.
Data byte will be received and ACK will be returned.
Repeated START will be transmitted.
STOP condition will be transmitted and SSSTO flag
will be reset.
STOP condition followed by a START condition will
be transmitted and SSSTO flag will be reset.
4338F–USB–08/07
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