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The M3_3VOUT rail of the attached SoM is used to power up all the powerrails etc on TEF1002. further dependencies ar given in the table below:
Scroll Title |
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anchor | Table_power_management |
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title | Power Management |
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| To Do ...
RGPIO not aktive |
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Port/Signal | depends on (RGPIO not aktive) | additional when RGPIO aktive | Description | Remark |
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EN_PER | M3_3VOUT |
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15) | Enable perepherie power 3V3_PER | via PWR_EN_Signal | FMC_PWR_set | M3_3VOUT | rgpio_out_data_i(16) |
|
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| Signal indicate FMC enable |
| EN_FMC | FMC_PWR_set and |
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...
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| rgpio_out_data_i(17) | Enable switched 3.3V FMC power |
| FAN_FMC_EN | FMC_PWR_set and NOT(FMC_PRSNT_M2C_L) |
|
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| - | Enable FMC FAN |
| EN_FMC_VADJ | (FMC_PWR_set and NOT(FMC_PRSNT_M2C_L)) or USR0 | - | Enable IO power FMC_VADJ | USR0 dip switch S3-2 can be used to enable FMC_VADJ when no FMC installed | FMC_PG_C2M | (PG_FMC_VADJ and M3_3VOUT) | - | Indicate that all FMC related powers are up |
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FMC_PG_C2M <= (PG_FMC_VADJ and M3_3VOUT);
--Perepherie power, Enable Power for SFP and FireFly
PWR_EN_Signal <= rgpio_out_data_i(15) and M3_3VOUT when soc_rgpio_active='1' else M3_3VOUT;
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Status LED
The Status LED D4 is utilized in the following way:
Scroll Title |
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anchor | Table_LED_Status |
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title | Status LED description |
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Sequenz |
| Description |
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*ooooooo | 1 times fast blink with a break | SOM PGOOD fail | **oooooo | 2 times fast blink with a break | not used | ***ooooo | 3 times fast blink with a break | FMC power Error | ****oooo | 4 times fast blink with a break | not used | *****ooo | 5 times fast blink with a break | USB Power Error | ******oo | 6 times fast blink with a break | Firefly A or B Error | *******o | 7 times fast blink with a break | SFPA_TX_FAULT or SFPA_LOS | ON | LED ON | All OK |
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FMC VADJ Power
Three of the dip switches are linked to the voltage selection signals of FMC_VADJ:
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Scroll Title |
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anchor | Table_I2C_SoM |
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title | Connection I2C to SoM |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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device | SEL | Notes |
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SFPA | 00 |
| FMC | 01 |
| FFA | 10 | also used for FFA_MSEL | FFB | 11 | also used for FFB_MSEL |
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A "three wire" I2C interface is used to connect the CPLD I2C to the SoM:
Scroll Title |
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anchor | Table_I2C_SoM |
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title | Connection I2C to SoM |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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VHDL Port name | Direction | SC CPLD Pin | Connected to | Function | Notes |
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A_00_N | IN | J10 | JB1, pin 38 | SDA IN | "three wire" I2C | A_00_P | IN | K10 | JB1, pin 36 | SCL IN | "three wire" I2C | A_01_P | OUT | K11 | JB1, pin 37 | SDA OUT | "three wire" I2C |
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The devices SDA are driven in the following way: DEVICE_XY_SDA <= '0' when SEL= "XY" and A_00_N='0' else 'Z';
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Scroll Title |
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anchor | Table_RGPIO_SoM |
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title | Connection RGPIO to SoM |
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Scroll Table Layout |
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orientation | portrait |
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sortDirection | ASC |
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repeatTableHeaders | default |
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sortByColumn | 1 |
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sortEnabled | false |
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cellHighlighting | true |
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VHDL Port name | Direction | SC CPLD Pin | Connected to | Function | Notes |
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A_01_N | OUT | L12 | JB1, pin 35 | TX data |
| A_02_N | IN | J12 | JB1, pin 41 | RX CLK |
| A_02_P | IN | K12 | JB1, pin 39 | RX data |
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USR LED
User LEDs are accesible via RGPIO:
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