AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 117

• Manufacturer Part Number: AT89C5131A-M
• Manufacturer: Atmel Corporation

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

Table 20-8.
4337K–USB–04/08
(SSCS)
(SSCS)
Status
Status
Code
Code
C0h
C8h
F8h
00h
been transmitted (AA=0); ACK
Status of the 2-wire bus and
Data byte in SSDAT has been
Status of the 2-wire bus and
No relevant state information
Last data byte in SSDAT has
transmitted; NOT ACK has
START or STOP condition
Bus error due to an illegal
Status in Slave Transmitter Mode (Continued)
has been received
2-wire hardware
2-wire hardware
available; SI= 0
been received
Table 20-9.
No SSDAT action or
No SSDAT action or
No SSDAT action or
No SSDAT action or
No SSDAT action or
No SSDAT action or
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
To/from SSDAT
To/from SSDAT
Miscellaneous Status
Application Software Response
Application Software Response
STA
STA
0
0
1
1
0
0
1
1
0
No SSCON action
To SSCON
STO
0
0
0
0
0
0
0
0
To SSCON
STO
1
SI
0
0
0
0
0
0
0
0
SI
0
AA
0
1
0
1
0
1
0
1
AA
X
Next Action Taken By 2-wire Software
Switched to the not addressed slave mode; no
recognition of own SLA or GCA
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1
Switched to the not addressed slave mode; no
recognition of own SLA or GCA. A START
condition will be transmitted when the bus
becomes free
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1. A START condition will be transmitted
when the bus becomes free
Switched to the not addressed slave mode; no
recognition of own SLA or GCA
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1
Switched to the not addressed slave mode; no
recognition of own SLA or GCA. A START
condition will be transmitted when the bus
becomes free
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1. A START condition will be transmitted
when the bus becomes free
AT89C5130A/31A-M
Next Action Taken By 2-wire Software
Wait or proceed current transfer
Only the internal hardware is affected, no
STOP condition is sent on the bus. In all
cases, the bus is released and STO is reset.
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