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infinity2

infinity2m

Specs

• Dual Cortex A7
• Only 64KB of internal SRAM
• 16KB boot ROM
• Boot from SPI NOR or SPI NAND

MSR620 / SSR621D

Known Devices

TL-NVR6108C-B

internals etc

vendor page

SSD201/SSD202D

Seems to be all of the base stuff the other chips have with an extra ethernet controller, a video decoder intead of encoder etc.

• Chip id: 0xf0

SSD201

IPL output:

IPL g5da0ceb
D-1d
HW Reset
miupll_166MHz
miu_bw_set
utmi_1_init done
utmi_2_init done
utmi_3_init done
usbpll init done......
cpupll init done
SPI 54M
clk_init done 
P1 USB_rterm trim=0x0001
P1 USB_HS_TX_CURRENT trim=0x0002
P2 USB_rterm trim=0x0001
P2 USB_HS_TX_CURRENT trim=0x0001
P3 USB_rterm trim=0x0001
P3 USB_HS_TX_CURRENT trim=0x0001
PM_vol_bgap trim=0x0002
GCR_SAR_DATA trim=0x0190
ETH 10T output swing trim=0x0010
ETH 100T output swing trim=0x0010
ETH RX input impedance trim=0x0000
ETH TX output impedance trim=0x0000
MIPI_HS_RTERM trim=0x0001
MIPI_LP_RTERM trim=0x0000
64MB
BIST0_0001-OK
Enable MMU and CACHE
Load IPL_CUST from SPINAND
unable to find IDX for part type:0001
[I]m7
Checksum OK

• Data brief

SSD202D

• Data brief

IPL output:

IPL g5da0ceb
D-1e
HW Reset
miupll_233MHz
MIU0 zq=0x003c
miu_bw_set
utmi_1_init done
utmi_2_init done
utmi_3_init done
usbpll init done......
cpupll init done
SPI 54M
clk_init done 
P1 USB_rterm trim=0x0000
P1 USB_HS_TX_CURRENT trim=0x0001
P2 USB_rterm trim=0x0000
P2 USB_HS_TX_CURRENT trim=0x0001
P3 USB_rterm trim=0x0000
P3 USB_HS_TX_CURRENT trim=0x0001
PM_vol_bgap trim=0x0002
GCR_SAR_DATA trim=0x0190
ETH 10T output swing trim=0x0000
ETH 100T output swing trim=0x0000
ETH RX input impedance trim=0x0000
ETH TX output impedance trim=0x0001
MIPI_HS_RTERM trim=0x0001
MIPI_LP_RTERM trim=0x0000
128MB
BIST0_0001-OK
Enable MMU and CACHE
Load IPL_CUST from SPINAND
unable to find IDX for part type:0001
[I]m7
Checksum OK

Known Devices

SSD201_HT_V2

see

ido-som2d01

Cheap solder down IoT module.

• online doc from the vendor
• local info

IDO-SBC2D06

• local info

• Raspberry Pi style board

IDO-SBC2D70

• local info

IDO-SBC2D86

• local info

MYZR-SSD20X-CB096

• vendor page

GW300

GW300 is a SSD201 and the GW302 is a SSD202D. MYZR-SSD20X-CB096 module.

• vendor page
• tear down etc
• module

widora

Widora are apparently designing a board.

m5stack

unitv2

• CoreChips SR9900A http://www.corechip-sz.com/enproductsview.asp?id=25

Yet another SSD202D 7inch display

https://item.taobao.com/item.htm?spm=a230r.1.14.125.35d915f7J4vCkg&id=643200464062&ns=1&abbucket=5#detail

Yet another SSD201/SSD202D solder down module

https://www.geniatech.com/product/som20x/

Pinout

See pinouts.

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