
    Linux version 6.12.67 (01.2026, Buildroot 2025.02.4).

 SoC (Allwinner H3): 768/1008 (  70/85`C).
 GPU (Mali-400MP2): 120/312/432 (128MB reserved).
  DDR3: 576.
SD-: microSD/microSDHC/microSDXC,  UHS-I () (mmcblk0).
 eMMC: 52/8 (   SD-) (mmcblk2).
Ethernet: 10/100Mbits,  PHY, MAC   SID  (eth0).
USB0: host/device (OTG), .
USB1-3: host.
Video: HDMI (CEC i2c-3)
Audio: LOUTR, LOUTL, LINR, LINL, MIC.

 GPIO SoC:
-  SoM:
  - PA11, PA12: I2C0,  RTC DS1340(@68)  FRAM 84kB(@50) (i2c-0).
  - PC5-PC16: eMMC 8GB (mmc2).
  - PF0-PF5: SDC0, microSD-card (mmc0).
  - PF6: GPIO , SD-card detect.
  - PG12: GPIO ,  OTG.
  - PL2: GPIO ,   VBUS USB0.
  - PL3:  () som_key1 ( ).
  - PL4:  () som_recovery ( ).
  - PL6: GPIO ,     (1.1/1.2v).
  - PL8: GPIO ,     .
  - PL9: GPIO ,    dram.
  - PL10:  , (som:green:pwr). 
  - PA10:  , (som:red:status). 
  - PC4:    (  +3.3).
  - PL0, PL1, PL5:    .
  - PDx ( ):    .
-   :
  - PA4, PA5: UART0 (TXD, RXD) (ttyS0).
(csc0):
  - PG6,PG7,PG8,PG9: UART1 (TXD,RXD,RTS,CTS), RS-232 (ttyS1).
  - PA19:  GPIO,  s_service.
  - PE6:    (beep).
  - PA6:     ,  (Led-pwm).
  - PE4, PE14, PG11, PA8, PG3, PG5, PG0, PG1:   0..7.
  - PG10, PG13, PA7, PG4, PE15, PG2, PE7, PE10:   0..7.
(csc1):
  - PA18, PA20, PA21, PA16:   8..11.
(bdsom0):
  - PA0, PA1, PA2: UART2 (TXD, RXD, RTS), RS-485 (ttyS2).
  - PA3:  GPIO,  som_user.
(plc0):
  - PA13, PA14, PA15: UART3 (TXD, RXD, RTS), RS-485(422), (.), (ttyS3).
  - PE12, PE13: I2C2(SCL, CDA), ADC ADS1115 4ch(@48), DAC MCP4725(@60) (i2c-2).
  - PC0, PC1, PC2, PC3, PA9, PE9: SPI0 +  GPIO (MOSI, MISO, CLK, CS_CAN, ~INT_CAN, CS_REG), CAN (TJA1050 + MCP2515 + 8), REG 74HC595+74HC597.
  - PA17:    (     plc_counter).
  - PE0:  1-Wire  DS18b20.
  - PL11: -  .
-  (/ GPIO): PE1, PE2, PE5, PE8, PE11, PL7.

  (, /: root/root):
- USB- + HDMI- (+ ).
- UART0 (115200bps, 8N1).
- Ethernet (SSH:DHCP, Port 22).
- USB0 (OTG/device Gadget-ethernet NDIS, SSH:192.168.71.71).

  :
-  USB-HID (, ,   ..).
-  USB-MSD (-, -  ..).
-  USB-Serial (FTDI, WCH, Profilic, SiLabs).
-  USB-Ethernet (RTL8152/53, AX88179/178A, LAN78XX).
-   (Ctrl+Shift -  ).
- tb-service:        .
- c  Entware (  ./opt).   gcc    ("opkg list | grep gcc").
- WEB-: webkit, chromuim-qt.
- / (BusyBox v1.37): dd, nano, htop, mc, sox, alsamixer, gpio, ntpdate, stress-ng, opkg, i2c-tools, spidev_test, microcom, mosquitto (mqtt-brocker), can-utils, sshfs, irda-utils, python3, iproute2, rsync, git.
- node-red (  ), -. :
  :   http://ip:1880/
  : http://ip:1880/dashboard
  (: ip: 127.0.0.1)

 74HC595/597  SPI:
 CLK -  (11  595  597),   ,  - ."0".
 MOSI -     595 (14 ).
 MISO -     597 (9 ).
 CS_REG - rclk 595 (12 )     stpc  pl 597 (12  13 ).


S99bind_rs485 :  USB1->FE1.1S_hub->4xCH340B->4xRS485 (rs485_1, rs485_2, rs485_3, rs485_4).





