Interfaces

The carrier board has the following interfaces.

Table 38 List of all carrier board interfaces

Name	Function
J1	SoM
J2	SoM
J3	SoM
J4	SoM
X1	CPLD JTAG
X3	Interface to CPLD of X6E
X4	Ethernet
X5A	Analog adapter card A1
X5B	Analog adapter card A2
X5C	Analog adapter card A3
X6A	Digital adapter card D1
X6B	Digital adapter card D2
X6C	Digital adapter card D3
X6D	Digital adapter card D4
X6E	Digital adapter card D5 with fewer FPGA pins
X7A	CAN1
X7A	CAN2
X8	MPSoC JTAG
X9	(PS JTAG - not assembled)
X10	PS SPI - UART - I2C
X11	(USB - not assembled)
X12	SPI
X13	PS GPIO
X14	Power in (24 V)
X15	Power out (24 V)
X16	SD-Card

X1: CPLD-JTAG

JTAG interface to all CPLDs for D1 to D5. You can use a Trenz TE0590 programmer ( see Programming the CPLD).

Table 39 X1: JTAG interface to CPLD

Pin on X1	Signal	Function	Direction
1	GND	Ground
2	GND	Ground
3	A	not connected
4	C	CPLD TCK (clock line)	input
5	3.3 V	connected with 3V3_PER	output
6	VIO	connected with 3V3_PER	output
7	B	not connected
8	D	CPLD TDO (serial data out)	output
9	E	not connected
10	F	CPLD TDI (serial data in)	input
11	G	not connected
12	H	CPLD TMS (mode select)	input

X3: CPLD-X6E (D5)

Not all 30 digital signals of X6E is fully connected to the FPGA. X3 is routed to the primary side (1.8 V) of the CPLD. The factory CPLD software routes these signals of X3 to the X6E pins DIG_01 to DIG06 and DIG_25 to DIG_30. The direction of the signals can be determined with your user CPLD software code. The factory default is input.

Table 40 X3

Pin on X3	Signal	Function	Direction	Specification
1 + 10 + 11 + 20	3V3_PER	power supply	output	3.3 V / 150 mA
2 + 9 + 12 + 19	GND	Ground
3	DIG_05_Ch5	digital I/O	input	1.8 V / 8 mA
4	DIG_03_Ch5	digital I/O	input	1.8 V / 8 mA
5	DIG_01_Ch5	digital I/O	input	1.8 V / 8 mA
6	DIG_29_Ch5	digital I/O	input	1.8 V / 8 mA
7	DIG_27_Ch5	digital I/O	input	1.8 V / 8 mA
8	DIG_25_Ch5	digital I/O	input	1.8 V / 8 mA
13	DIG_06_Ch5	digital I/O	input	1.8 V / 8 mA
14	DIG_04_Ch5	digital I/O	input	1.8 V / 8 mA
15	DIG_02_Ch5	digital I/O	input	1.8 V / 8 mA
16	DIG_30_Ch5	digital I/O	input	1.8 V / 8 mA
17	DIG_28_Ch5	digital I/O	input	1.8 V / 8 mA
18	DIG_26_Ch5	digital I/O	input	1.8 V / 8 mA

X4: Ethernet

This RJ45 connector is used for ethernet communication. You can use standard LAN cables.

X5: Analog adapter

The board connector X5 is used to connect analog adapter boards to the carrier board. X5A to X5C features each 10 differential signals, which are routed (impedance controlled) directly to the FPGA at a voltage level of 1.8 V with LVDS standard. The drive strength of the FPGA pins is configurable (4, 8, 12 or 16 mA) by software in Vivado. For more information see in Xilinx documentation. Additionally, there is shared SPI and I2C available on X5.

Table 41 X5 - Power connection

Pin on X5	Name	Specification
5 + 6	VIN	24 V / 400 mA
9 + 10	5V_PER	5 V / 500 mA
13 + 14	3V3_PER	3.3 V / 300 mA

Table 42 X5 - FPGA banks

Name	Interface	Pin on X5	Bank	Type	Specification
A1	X5A	1-9	Bank 64	High Performance (HP)	1.8 V / 12 mA LVDS
A1	X5A	10	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A2	X5B	1-8	Bank 64	High Performance (HP)	1.8 V / 12 mA LVDS
A2	X5B	9	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A2	X5B	10	Bank 64	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	1	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	2-3	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	4	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	5	Bank 64	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	6	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	7-8	Bank 64	High Performance (HP)	1.8 V / 12 mA LVDS
A3	X5C	9-10	Bank 65	High Performance (HP)	1.8 V / 12 mA LVDS

Table 43 X5 - Shared SPI

Pin on X5	Signal	Function	Direction	Specification
47	SPI_shared_MOSI	master out slave in	output	3.3 V / 12 mA
48	SPI_shared_CLK	clock	output	3.3 V / 12 mA
53	SPI_shared_CS	chip select	output	3.3 V / 12 mA

Table 44 X5 - Trigger fast ADCs

Pin on X5	Signal	Function	Direction	Specification
54	CS_fastADC	chip select fast ADC	output	3.3 V / 12 mA

Table 45 X5 - GPIO pins

Pin on X5	Signal	Function	Direction	Specification
55	PL_ANL_GPIO_01	general purpose I/O from FPGA	input/output	3.3 V / 10 mA
56	PS_ANL_GPIO_01	general purpose I/O from processing system	input/output	3.3 V / 10 mA
59	PS_ANL_GPIO_02	general purpose I/O from processing system	input/output	3.3 V / 10 mA

The reserved pins of the X5 connector are currently attached with test points on the carrier board. They are reserved for future purposes.

Table 46 X5 - Reserved pins

Pin on X5	Signal	Function	Direction	Specification
60	ANL_Res_01	reserved pin
61	ANL_Res_02	reserved pin
62	ANL_Res_03	reserved pin
65	ANL_Res_04	reserved pin
66	ANL_Res_05	reserved pin
67	ANL_Res_06	reserved pin
68	ANL_Res_07	reserved pin
71	ANL_Res_08	reserved pin
72	ANL_Res_09	reserved pin
73	ANL_Res_10	reserved pin
74	ANL_Res_11	reserved pin
77	ANL_Res_12	reserved pin

The collective fault signal is an error signal that can be provided from each adapter card and will be evaluated on the carrier board.

Table 47 X5 - Collective fault

Pin on X5	Signal	Function	Direction	Specification
78	Collective_FLT	collective fault	input	3.3 V / 20 mA

Table 48 X5 - Pilot line

Pin on X5	Signal	Function	Direction	Specification
79	PILOT_OUT	pilot line out	output	3.3 V / hi-Z
80	PILOT_IN	pilot line in	input	3.3 V / hi-Z

X6: Digital adapter

The board connector X6 is used to connect digital adapter boards to the carrier board. X6 has 30 IOs (DIG_IO_01 to DIG_IO_30) with a voltage level of 3.3 V which are routed to a CPLD for each digital interface. The IO signals from X6A, X6B, X6C, X6D are routed via the CPLD to the SoM (J1 to J4). X6E features 30 IOs of which 12 (DIG_01 to DIG_06 and DIG_25 to DIG_30) are routed from the CPLD to X3 and the other 18 IOs are routed to the FPGA.

Table 49 X6 - Power connection

Pin X6	Name	Specification
5 + 6	VIN	24 V / 400 mA
9 + 10	5V_PER	5.0 V / 500 mA
13 + 14	3V3_PER	3.3 V / 300 mA

Table 50 X6 - FPGA banks via CPLD

Name	Interface	X6-PIN	Bank	Type
D1	X6A	1-30	Bank 65	High Performance (HP)
D2	X6B	1-14	Bank 66	High Performance (HP)
D2	X6B	25-30	Bank 66	High Performance (HP)
D2	X6B	15-24	Bank 65	High Performance (HP)
D3	X6C	1-30	Bank 66	High Performance (HP)
D4	X6D	1-2	Bank 47	High Density (HD)
D4	X6D	3-24	Bank 48	High Density (HD)
D4	X6D	25-30	Bank 47	High Density (HD)
D5	X6E	7-8	Bank 66	High Performance (HP)
D5	X6E	9-24	Bank 47	High Density (HD)

Table 51 X6 - GPIO pins

Pin on X6	Signal	Function	Direction	Specification
77	PS_DIG_GPIO_01	general purpose I/O from processing system	input/output	3.3 V / 10 mA
78	PS_DIG_GPIO_02	general purpose I/O from processing system	input/output	3.3 V / 10 mA

Table 52 X6 - Auxiliary CPLD I/Os

Pin on X6	Signal	Function	Direction	Specification
83	CPLD_DigIn_01	general purpose input from CPLD	input	3.3 V / 8 mA
84	CPLD_DigOut_01	general purpose output from CPLD	output	3.3 V / 8 mA
85	CPLD_DigIn_02	general purpose input from CPLD	input	3.3 V / 8 mA
86	CPLD_DigOut_02	general purpose output from CPLD	output	3.3 V / 8 mA

Table 53 X6 - I2C bus

Pin on X6	Signal	Function	Direction	Specification
89	I2C0_SCL	I2C bus from processing system	bi-directional	3.3 V / 10 mA
90	I2C0_SDA	I2C bus from processing system	bi-directional	3.3 V / 10 mA

The reserved pins of the X6 connector are currently attached with test points on the carrier board. They are reserved for future purposes.

Table 54 X6 - Reserved pins

Pin on X6	Signal	Function	Direction	Specification
79	DIG_Res_01	reserved pin
80	DIG_Res_02	reserved pin
91	DIG_Res_03	reserved pin
92	DIG_Res_04	reserved pin
93	DIG_Res_05	reserved pin
94	DIG_Res_06	reserved pin
95	DIG_Res_07	reserved pin

The collective fault signal is an error signal that can be provided from each adapter card and will be evaluated on the carrier board.

Table 55 X6 - collective fault

Pin on X6	Signal	Function	Direction	Specification
96	Collective_FLT	collective fault	input	3.3 V / 20 mA

X7: Isolated CAN

The following applies to X7A and X7B:

1. This connectors are used for CAN. X7A is labeled with CAN1 and X7B with CAN2 on the PCB.

2. The CAN interface is operated by the processor.

3. The connector X7A uses CAN_0 and X7B CAN_1 in the processor.

4. The pins are isolated and have a voltage level of 5V.

5. The CAN termination resistors (120 Ohm) are assembled by default (R76A - R77A, R76B - R77B) and can be found with the assembly drawing (LINK).

Table 56 X7 - Isolated CAN bus

Pin on X7	Signal	Function	Direction	Specification
1	5V_isoCAN	isolated power supply	output	5 V / 100 mA
2	CAN_H	can high	bi-directional
3	CAN_L	can low	bi-directional
4	GND_isoCAN	isolated ground

X8: MPSoC-JTAG

JTAG interface for the MPSoC.

Table 57 X8

Pin on X8	Signal	Function	Direction	Specification
1	GND	Ground
2	GND	Ground
3	PS_UART0_TX	UART transmit	output	xx V / xx mA
4	TCK	JTAG clock	input	xx V / xx mA
5	3V3_PER	power supply of programmer (not assembled by default)	output	3.3V / 100 mA
6	PS_1V8	power supply of processing system	output	1.8 V / xx mA
7	PS_UART0_RX	UART receive	input	xx V / xx mA
8	TDO	JTAG data out	output	xx V / xx mA
9	not connected
10	TDI	JTAG data in	input	xx V / xx mA
11	MR			xx V / xx mA
12	TMS	JTAG mode select	input	xx V / xx mA

X9: PS-JTAG

JTAG interface to JTAG - not assembled!

X10: Serial bus

Interface to serial buses (UART1, SPI0, I2C1) of the processing system (PS) for external devices. The interface is not isolated.

Table 58 X10 serial buses of PS

Pin on X10	Signal	Function	Direction	Specification
1 + 7	3V3_PER	power supply	output	3.3 V / 150 mA
2 + 8	GND	Ground
3	EXT_SPI0_MOSI	SPI master out slave in	output	3.3 V / 10 mA
4	EXT_SPI0_SCLK	SPI clock	output	3.3 V / 10 mA
5	EXT_UART1_RX	UART receive	input	3.3 V / 10 mA
6	EXT_I2C1_SCL	I2C serial clock	bi-directional	3.3 V / 10 mA
9	EXT_SPI0_MISO	SPI master in slave out	input	3.3 V / 10 mA
10	EXT_SPI0_CS	SPI chip select	output	3.3 V / 10 mA
11	EXT_UART1_TX	UART transmit	output	3.3 V / 10 mA
12	EXT_I2C1_SDA	I2C serial data	bi-directional	3.3 V / 10 mA

X11: USB

Interface to USB of PS - not assembled!

X12: Isolated SPI1

Isolated SPI1 of processing system (PS).

Table 59 X12: Isolated SPI

Pin on X12	Signal	Function	Direction	Specification
1	3V3_isoSPO	isolated power supply	output	3.3 V / 100 mA
2	isoSPI_MOSI_3V3	isolated SPI master out slave in	output	3.3 V / 20 mA
3	isoSPI_MISO_3V3	isolated SPI master in slave out	input	3.3 V / 20 mA
4	GND_isoSPI	isolated SPI ground
5	isoSPI_SCLK_3V3	isolated SPI clock	output	3.3 V / 20 mA
6	isoSPI_CS_3V3	isolated SPI chip select	output	3.3 V / 20 mA

X13: Isolated PS GPIO Pins

1. This connector is used for the front panel LEDs. However, it is not limited to this.

2. This connector offers eight GPIOs from the processor (MIO Pins).

3. The pins are isolated and have a voltage level of 3.3 V.

4. The direction is given by the isolator chips U24 and U26.

5. Pin connection:

Table 60 X13 List

Pin on X13	Signal	non-isolated Signal	Carrier Board LED	Front Panel	Function	Direction	Specification
1 + 9	3V3_isoGPIO			n.c.	isolated power supply	output	3.3 V / 100 mA
2	GND_isoGPIO			Ready_GND	Ground
3	EXT_GPIO1	PS_GPIO1	LED1	Ready_VCC		output	3.3 V / 20 mA
4	EXT_GPIO2	PS_GPIO2	LED2	Running_VCC		output	3.3 V / 20 mA
5	GND_isoGPIO			Running_GND	Ground
6	EXT_GPIO5	PS_GPIO5		n.c.		input	3.3 V / 20 mA
7	EXT_GPIO6	PS_GPIO6		n.c.		input	3.3 V / 20 mA
8	GND_isoGPIO			n.c.	Ground
10	GND_isoGPIO			Error_GND	Ground
11	EXT_GPIO3	PS_GPIO3	LED3	Error_VCC		output	3.3 V / 20 mA
12	EXT_GPIO4	PS_GPIO4	LED4	LED1_VCC		output	3.3 V / 20 mA
13	GND_isoGPIO			LED1_GND	Ground
14	EXT_GPIO7	PS_GPIO7		n.c.		input	3.3 V / 20 mA
15	EXT_GPIO8	PS_GPIO8		n.c.		input	3.3 V / 20 mA
16	GND_isoGPIO			n.c.	Ground

X14: Carrier Board Power Input

Connector for input of power supply with 24 V (DC), protected at 5.0 A (fast acting fuse).

Table 61 X14

Pin on X14	Signal	Function	Direction	Specification
1 + 2 + 6 + 7		Power supply	input	24 V / 5 A
3 + 4 + 5 + 8 + 9 + 10	GND	Ground

X15: Internal Power Distribution

Connector with protected power to supply other external devices with 24 V (DC) inside the UltraZohm system. Attention: don’t misunderstand this connector as power input to the carrier board! It provides the board power “VIN” for external usage as power supply.

Table 62 X15

Pin on X15	Signal	Function	Direction	Specification
1 + 2	GND	Ground
3 + 4	VIN	Power supply output	output	24 V / 200 mA (to be evaluated)