32.20 MPDDRC Monitor Information Port x Register (MAX_WAIT)
| Name: | MPDDRC_MINFOx (MAX_WAIT) |
| Offset: | 0x84 + x*0x04 [x=0..3] |
| Reset: | 0x00000000 |
| Property: | Read-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| LQOS[1:0] | READ_WRITE | ||||||||
| Access | R | R | R | ||||||
| Reset | 0 | 0 | 0 | ||||||
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| SIZE[2:0] | BURST[2:0] | ||||||||
| Access | R | R | R | R | R | R | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | |||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| MAX_PORTx_WAITING[15:8] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| MAX_PORTx_WAITING[7:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bits 26:25 – LQOS[1:0] Value of Quality Of Service on Port x
Can be read if the INFO field in the MPDDRC Monitor Configuration register is set to 0.
This field reports the Quality of Service value for the maximum waiting time.
| Value | Name | Description |
|---|---|---|
| 0 | BACKGROUND | Background transfers |
| 1 | BANDWIDTH | Bandwidth sensitive |
| 2 | SENSITIVE_LAT | Latency sensitive |
| 3 | CRITICAL_LAT | Latency critical |
Bit 24 – READ_WRITE Read or Write Access on Port x
Can be read if the INFO field in the MPDDRC Monitor Configuration register is set to 0.
Reports the transfer direction for the maximum waiting time.
| Value | Description |
|---|---|
| 0 | Read transfer |
| 1 | Write transfer |
Bits 22:20 – SIZE[2:0] Transfer Size on Port x
Can be read if the INFO field in the MPDDRC Monitor Configuration register is set to 0.
Reports the size of the transfer for the maximum waiting time.
| Value | Name | Description |
|---|---|---|
| 0 | 8BITS | Byte transfer |
| 1 | 16BITS | Halfword transfer |
| 2 | 32BITS | Word transfer |
| 3 | 64BITS | Dword transfer |
| 4–7 | – | Reserved |
Bits 18:16 – BURST[2:0] Type of Burst on Port x
Can be read if the INFO field in the MPDDRC Monitor Configuration register is set to 0.
Reports the type of burst for the maximum waiting time.
| Value | Name | Description |
|---|---|---|
| 0 | SINGLE | Single transfer |
| 1 | INCR | Incrementing burst of unspecified length |
| 2 | WRAP4 | 4-beat wrapping burst |
| 3 | INCR4 | 4-beat incrementing burst |
| 4 | WRAP8 | 8-beat wrapping burst |
| 5 | INCR8 | 8-beat incrementing burst |
| 6 | WRAP16 | 16-beat wrapping burst |
| 7 | INCR16 | 16-beat incrementing burst |
Bits 15:0 – MAX_PORTx_WAITING[15:0] Address High on Port x
Can be read if the INFO field in the MPDDRC Monitor Configuration register is set to 0.
Reports the maximum waiting time and the associated type of transfer (burst, size, read or write).