38.7.17 LCD Controller QoS Configuration Register
| Name: | LCDC_QOSCFG |
| Offset: | 0x40 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| QOS3CFG[1:0] | QOS2CFG[1:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| QOS1CFG[1:0] | QOSLOCK | ||||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 | ||||||
Bits 13:12 – QOS3CFG[1:0] Quality Of Service for 2 to 3 Transition
This field indicates the FIFO threshold of the LCD that triggers a QoS change. The basic unit is 1/8 of the output FIFO depth.
Bits 9:8 – QOS2CFG[1:0] Quality Of Service for 1 to 2 Transition
This field indicates the FIFO threshold of the LCD that triggers a QoS change. The basic unit is 1/8 of the output FIFO depth.
Bits 5:4 – QOS1CFG[1:0] Quality Of Service for 0 to 1 Transition
This field indicates the FIFO threshold of the LCD that triggers a QoS change. The basic unit is 1/8 of the output FIFO depth.
Bit 0 – QOSLOCK Quality Of Service Lock
| Value | Description |
|---|---|
| 0 | Quality of Service operation does not use the bus lock attribute to increase its memory bandwidth |
| 1 | Quality of Service operation uses the bus lock attribute to increase its memory bandwidth. |