FFA-MC–PixelMateC to Micro Coax Adapters#

Small format boards adapting from the sophisticated PixelMateC MIPI CSI-2 connector to a shielded micro coaxial cable and back. Allowing the connection of special customized, flexible and round cabling made for cable routing through challenging and winding enclosures at great environmental robustness. As a component of the FSM Ecosystem, they aim for evaluation purpose and are a reference to be integrated into custom solutions.

Figure: System Diagram of FFA-A/MC50 and FFA-MC50/A inside the FSM Ecosystem.

As shown in Figure 11, the integration takes place in form of two FFAs, adapting from PixelMateC to micro coax and back. The boards only take care about signal routing from one to the other connector, signals pass through and stay unaltered.

Figure: FFA-A/MC50 Connected to FSM+FSA Stack (Front-End)

Cabling

For the cabling, a shielded, 50 pin micro coaxial cable with 0.4 mm pitch and 1:1 pin assignment on both ends is required. Please refer to Chapter 9.3.3 – “FMA-CBL-MC50-0.3m-V1A – Micro Coax Cable” for a recommended reference assembly.

Due to the reduction from 60 to 50 pins, a couple of signals are dropped from the PixelMateC layout. The following signals are not available:

Second I2C (2)
MCLK 1, 2, 3 (3)
Second MIPI CLK (2)
GND (3)

Regular single sensor setups in the FSM Ecosystem (native CSI-2 or converted from SLVS) do not use these signals and are not affected by missing signals. The complete pinout can be found in the following, adapter specific, chapters.

FFA-A/MC50-V1A (PixelMateC to 50 pin Micro Coax, Sensor / FSA Side)#

Adapting the output of the front-end (FSM+FSA stack) to utilize an appropriate Micro Coax cable. Pin count is reduced from 60 pins to 50 pins, signals stay untouched.

Micro Coax Connector

Label: J2 Type: I-PEX 20525-050E-02 Pin Count: 50 pin Pitch: 0.4 mm Shielding: Yes

Pinout:

Pin	Signal	Pin	Signal
1	GND	26	I2C_0_SDA(SPI_MOSI)
2	D_CLK_0_N	27	GPIO9
3	D_CLK_0_P	28	GPIO1(XVS0)
4	GND	29	GPIO16(SYS_PW_EN)
5	D_DATA_2_N	30	GPIO17(SPI_CS)
6	D_DATA_2_P	31	I2C_0_SCL(SPI_SCK)
7	GND	32	GPIO8
8	D_DATA_1_P	33	GPIO0(XMASTER0)
9	D_DATA_1_N	34	GPIO15(SPI_MISO)
10	GND	35	GPIO14
11	D_DATA_0_P	36	RST_1
12	D_DATA_0_N	37	RST_0
13	GND	38	GND
14	D_DATA_3_N	39	AUX_V
15	D_DATA_3_P	40	AUX_IF
16	GND	41	AUX_DIG
17	MCLK_0	42	AUX_DIG
18	GPIO7	43	AUX_ANA
19	GPIO6	44	AUX_ANA
20	PW_EN_1	45	GND
21	PW_EN_0	46	1V8_VDD
22	GPIO11	47	1V8_VDD
23	GPIO3(XTRIG0)	48	GND
24	GPIO10	49	3V8_VDD
25	GPIO2(XHS0)	50	3V8_VDD

Table: FFC Connector on FFA-A/MC50

FFA-MC50/A-V1A (50 pin FFC to PixelMateC, Processor Side)#

Adapting the output of the front-end (FSM+FSA stack) to utilize an appropriate Micro Coax cable. Pin count is reduced from 60 pins to 50 pins, signals stay untouched.

FFC Connector

Label: J4 Type: I-PEX 20525-050E-02 Pin Count: 50 pin Pitch: 0.4 mm Shielding: Yes

Pin	Signal	Pin	Signal
1	GND	26	I2C_0_SDA(SPI_MOSI)
2	D_CLK_0_N	27	GPIO9
3	D_CLK_0_P	28	GPIO1(XVS0)
4	GND	29	GPIO16(SYS_PW_EN)
5	D_DATA_2_N	30	GPIO17(SPI_CS)
6	D_DATA_2_P	31	I2C_0_SCL(SPI_SCK)
7	GND	32	GPIO8
8	D_DATA_1_P	33	GPIO0(XMASTER0)
9	D_DATA_1_N	34	GPIO15(SPI_MISO)
10	GND	35	GPIO14
11	D_DATA_0_P	36	RST_1
12	D_DATA_0_N	37	RST_0
13	GND	38	GND
14	D_DATA_3_N	39	AUX_V
15	D_DATA_3_P	40	AUX_IF
16	GND	41	AUX_DIG
17	MCLK_0	42	AUX_DIG
18	GPIO7	43	AUX_ANA
19	GPIO6	44	AUX_ANA
20	PW_EN_1	45	GND
21	PW_EN_0	46	1V8_VDD
22	GPIO11	47	1V8_VDD
23	GPIO3(XTRIG0)	48	GND
24	GPIO10	49	3V8_VDD
25	GPIO2(XHS0)	50	3V8_VDD

Table: FFC Connector on FFA-FFC40/A

FMA-CBL-MC50-0.3m-V1A – Micro Coax Cable#

Cable assembly of I-PEX connectors with micro coaxial cable. CE and RoHS compliant, various lengths are available on request. Pin assignment is 1:1.

(1) Connector: I-PEX CABLINE® -CA

Housing: 20634-150T-02

Shell: 2764-0501-002

P-Bar: 2766-0501

Shielded: Yes

Contact Pitch (mm): 0.400

Height: 1.10 Max (1.00 Nom.)

Pin Count: 50

Mating Direction: Horizontal

(2) Cable: Micro Coaxial

Type: MCX AWG40 UL1354

Length: 300 mm

Color: Black

(3) Insulation Tape