AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 116
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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Figure 20-7. Format and State in the Slave Transmitter Mode
Table 20-8.
116
(SSCS)
Status
Code
A8h
B0h
B8h
Reception of the
own slave address
and one or more
data bytes
Arbitration lost as master
and addressed as slave
Last data byte transmitted.
Switched to not addressed
slave (AA=0)
AT89C5130A/31A-M
Arbitration lost in SLA+R/W as
Status of the 2-wire bus and
master; own SLA+R has been
Data byte in SSDAT has been
transmitted; NOT ACK has
received; ACK has been
received; ACK has been
Status in Slave Transmitter Mode
Own SLA+R has been
2-wire hardware
been received
From master to slave
From slave to master
returned
returned
S
SLA
Load data byte or
Load data byte or
Load data byte or
To/from SSDAT
Load data byte
Load data byte
Load data byte
Application Software Response
R
Data
n
B0h
A8h
A
A
STA
X
X
X
X
X
X
A
To SSCON
STO
Data
0
0
0
0
0
0
Any number of data bytes and their associated
acknowledge bits
This number (contained in SSCS) corresponds
to a defined state of the 2-wire bus
SI
0
0
0
0
0
0
B8h
A
AA
0
1
0
1
0
1
Next Action Taken By 2-wire Software
Last data byte will be transmitted and NOT ACK
will be received
Data byte will be transmitted and ACK will be
received
Last data byte will be transmitted and NOT ACK
will be received
Data byte will be transmitted and ACK will be
received
Last data byte will be transmitted and NOT ACK
will be received
Data byte will be transmitted and ACK will be
received
Data
C8h
C0h
A
A
All 1’s
P or S
P or S
4337K–USB–04/08
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