Microsemi SmartFusion2 - Table 526 STATUS Register - Slave-Receiver Mode

Inter-Integrated Circuit Peripherals
UG0331 User Guide Revision 15.0 554
Notes:
• SLA = Slave address
• SLV = Slave
• REC = Receiver
• TRX = Transmitter
• SLA+W = Master sends slave address then writes data to slave
• SLA+R = Master sends slave address then reads data from slave
15.4.2.3 Status Register: Slave-Receiver Mode
0x50 Data byte has been
received; ACK is
returned.
Read data byte 0 0 0 0 Data byte is received; not ACK(NACK) is
returned.
Read data byte 0 0 0 1 Data byte is received; ACK is returned
0x58 Data byte is received;
not ACK (NACK) is
returned.
Read data byte 1 0 0 Repeated START condition is transmitted
Read data byte 0 1 0 STOP condition is transmitted; STO flag
is reset.
Read data byte 1 1 0 STOP condition followed by a START
condition is transmitted; STO flag is reset.
0xD0 SMBus master reset
is activated.
No action 0 Wait 35 ms for interrupt to set, clear
interrupt and proceed to F8H state.
Table 526 • STATUS Register – Slave-Receiver Mode
Status
Code Status
Data Register
Action
Control Register Bits
Next Action Taken by CoreSTA STO SI AA
0x60 Own SLA+W is received;
ACK is returned.
No action 0 0 0 Data byte is received and not ACK
(NACK) is returned.
0 0 1 Data byte is received and ACK is
returned.
0x68 Arbitration lost in SLA+R/W
as master; own SLA+W is
received, ACK returned.
No action 0 0 0 Data byte is received and not ACK
(NACK) is returned.
0 0 1 Data byte is received and ACK is
returned.
0x70 General call address (00H)
is received; ACK is
returned.
No action 0 0 0 Data byte is received and not ACK
(NACK) is returned.
0 0 1 Data byte is received and ACK is
returned.
0x78 Arbitration lost in SLA+R/W
as master; general call
address is received, ACK
returned.
No action 0 0 0 Data byte is received and not ACK
(NACK) is returned.
0 0 1 Data byte is received and ACK is
returned.
0x80 Previously addressed with
own SLV address; DATA is
received; ACK returned.
Read data byte 0 0 0 Data byte is received and not ACK
(NACK) is returned.
0 0 1 Data byte is received and ACK is
returned.
Table 525 • STATUS Register – Master-Receiver Mode (continued)
Status
Code Status
Data Register
Action
Control Register Bits
Next Action Taken by CoreSTA STO SI AA