SPD5 Supports I2C/I3C CCC | Maxvy Technologies

SPD5 hub : Supported I3C CCC

S.NO	CCC	MODE	DESCRIPTION
	ENEC	BROADCAST	Used to enable In band interrupt (IBI) for SPD5 Hub and local devices It is illegal for Host to issue ENINT bit = ‘0’ SPD5 hub will not enable IBI. If Parity error occurs SPD5 hub will ignore this CCC
	ENEC	DIRECT	Used to enable In band interrupt (IBI) for targetted device If Parity error occurs SPD5 hub will ignore this CCC
	DISEC	BROADCAST	Used to enable In band interrupt (IBI) for SPD5 Hub and local devices It is illegal for Host to issue ENINT bit = ‘0’ SPD5 hub will not enable IBI. If Parity error occurs SPD5 hub will ignore this CCC
	DISEC	DIRECT	Used to enable In band interrupt (IBI) for targetted device. If Parity error occurs SPD5 hub will ignore this CCC
	RSTDAA	BROADCAST	Used to switch from I2C Mode to I3C mode. If Parity error occurs SPD5 hub will ignore this CCC
	GETSTATUS	DIRECT	Used to get device error status If Parity error occurs SPD5 hub will ignore this CCC
	DEVCAP	DIRECT	Used to get device capability If Parity error occurs SPD5 hub will ignore this CCC
	DEVCTRL	BROADCAST	REG_MODE = 0 SPD5 Hub will Enable PEC. SPD5 Hub will Disable parity. SPD5 Hub clears all events and pending IBI. REG_MODE = 1 SPD5 Hub will update the MR registers. SPD5 Hub will not update the NVM registers. If a Parity error occurs in command,device_id or address, SPD5 hub will ignore this CCC. if first data byte had no parity error but the second byte had a parity error, the SPD5 Hub device will execute the first-byte operation but second byte and all subsequent bytes operations are discarded

SPD5 hub : Supported I2C CCC

S.NO

CCC

MODE

DESCRIPTION

SETAASA

BROADCAST

Used to switch mode from I2C to I3C mode.
Takes in effect at the next Start operation (i.e. after STOP condition).
In I3C mode, This command is ignored.
Supports parity check.
If Parity error occurs SPD5 hub will ignore this CCC

SETHID

BROADCAST

SPD5 Hub updates 3-bit HID field, updates “T” bit with updated parity calculation for all devices behind Hub and stops 3-bit HID translation.
In I3C Basic mode, it is illegal for host to issue this CCC
Host may issue SETHID CCC more than one time.
Supports parity check.
If Parity error occurs SPD5 hub will ignore this CCC

DEVCTRL

BROADCAST

REG_MODE = 0

SPD5 Hub will not Enable PEC in I2C mode.
SPD5 Hub will not Disable parity in I2C mode.

REG_MODE = 1

SPD5 Hub will update the MR registers.
SPD5 Hub will not update the NVM registers.
Limited to 1 byte addressing mode (MR11 [3] = 0)
If Parity error occurs in command,device_id or address, SPD5 hub will ignore this CCC. if first data byte had no parity error but the second byte had a parity error, the SPD5 Hub device will execute the first byte operation but second byte and all subsequent bytes operations are discarded.

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