Page History
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PG_C2M is set to logical one or is controlled by I2C on I2C Mode.
VADJ on PCB REV06+ S4
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Control
This mode is only available on PCB Revision 06 or higher.
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In this Mode I2C-controll is not selectable and S3-M1 and S3-M2 are available as User-DIP-Switch.
| S4-3(VID2) | S4-2(VID1) | S4-1(VID0) | Description |
|---|---|---|---|
| ON | ON | ON | VADJ: 3.3V |
| ON | ON | OFF | VADJ: 2.5V |
| ON | OFF | ON | VADJ: 1.8V |
| ON | OFF | OFF | VADJ: 1.5V |
| OFF | ON | ON | VADJ: 1.25V |
| OFF | ON | OFF | VADJ: 1.2V |
| OFF | OFF | ON | VADJ: 0.8V |
| OFF | OFF | OFF |
| used to set VADJ |
| control to REV05- or I2C control after power up sequence |
VADJ on PCB REV05- or I2C
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Control
S4 control will be disabled on power on or Reset (S2-Button), if all of the three S4-DIP switches is set to OFF or older PCB revison revision is used.
| S3-M1 | S3-M2 | Description |
|---|---|---|
| OFF | OFF | VADJ: 1.8V |
| OFF | ON | VADJ: 2.5V |
| ON | OFF | VADJ: 3.3V |
| On | ON | I2C controlled |
I2C VADJ Control use TE0701 HDMI I2C Bus (HDMI_SCL and HDMI_SDA) connected to module FPGA PL side.I2C-GPIO controller device address is 0x22.
| Bit | Access | Default | Description |
|---|---|---|---|
| 7 | R/W | 0 | FMC - Enable |
| 6 | R/W | 0 | VID2 |
| 5 | R/W | 0 | VID1 |
| 4 | R/W | 0 | VID0 |
| 3 | R/W | 0 | PG_C2M - Enable |
| 2 | R | x | POK_FMC (EN5335QI Power OK) |
| 1 | R | x | one: I2C Mode, zero: DIP Mode, |
| 0 | R | x | VID Mode (zero: S4-DIP-controlled, one: REV05-/I2C controlled) |
| VID2 | VID1 | VID0 | Description |
|---|---|---|---|
| 0 | 0 | 0 | VADJ: 3.3V |
| 0 | 0 | 1 | VADJ: 2.5V |
| 0 | 1 | 0 | VADJ: 1.8V |
| 0 | 1 | 1 | VADJ: 1.5V |
| 1 | 0 | 0 | VADJ: 1.25V |
| 1 | 0 | 1 | VADJ: 1.2V |
| 1 | 1 | 0 | VADJ: 0.8V |
| 1 | 1 | 1 | reserved |
To read I2C with petalinux use i2cget -y 0 0x22.
- -y: do not confirm input
- 0: I2CBUS, use bus number, which is connected to TE0701 HDMI I2C Bus (HDMI_SCL and HDMI_SDA)
- 0x22 I2C GPIO controller on TE0701 CPLD
To write I2C with petalinux use i2cset -y 0 0x22 0x80
- -y: do not confirm input
- 0: I2CBUS, use bus number, which is connected to TE0701 HDMI I2C Bus (HDMI_SCL and HDMI_SDA)
- 0x22 I2C GPIO controller on TE0701 CPLD
- 0x80: Enable FMC Power with VAD 3.3V, see I2C control table.
Reset
RESIN (negative Reset) to module, can be set by S2 button.
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RGPIO Master is a 32Bit Remote GPIO Interface to talk with FPGA over 3 lanes.
LED
| LED | Description |
|---|---|
ULED1 | |
| ULED2 | |
| ULED3 | |
| ULED4 | |
| ULED5 | |
| ULED6 | |
| ULED7 | |
| ULED8 |
UART
| To | From | Description |
|---|---|---|
| MIO14 | BDBUS0 | Module UART0.RX |
| BDBUS1 | MIO15 | Module UART0.TX |
Appx. A: Change History and Legal Notices
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Overview
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