TQ TQMa65 Series, Руководство пользователя

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Preliminary User's Manual l TQMa65xx UM 0001 l © 2021, TQ-Systems GmbH Page 15
3.2.1.3 Boot Mode pin mapping (continued)
Table 12: Min Pin Configuration
BOOTMODE Pin
Min Pin Configuration
7
0 All boot mode pins must be properly set
1 Certain boot mode pins are don't cares. ROM code uses built-in values instead.
Table 13: Primary Boot Mode Configuration
BOOTMODE Pins
3
Boot Mode Description
15 14 13 12 11 10 9 8 3 – 0
0000 Sleep Boot not attempted
Pin Cmd Iclk Csel Speed
Addr
Width
0001 OSPI –
Port
Pin
Cmd
Iclk Csel Speed
Addr
Width
0010 QSPI –
ns Csel Speed 0011 Hyperflash –
Port Mode Csel
Read
Cmd
Addr Width 0100 SPI –
Bus Reset Mode Speed Addr 0101 I2C –
Volt Port Interface Config 1bit 0110 MMC/SD –
Clken Clkf Interface Speed Duplex Extern conf 0111 Ethernet –
Mode Port 1000 USB –
Port Dual Sref 1001 PCIe –
1010 UART –
Base A/D mux Csel Size Csel
Bus
Width
1100 GPMC NOR –
Port Alt Bus Width Speed Ack 1101 eMMC –
Table 14: Backup Boot Mode Configuration
BOOTMODE Pins
3
Backup Boot Mode Description
18 17 16 6 – 4
000 None No backup boot performed
Mode Port 001 USB –
010 UART –
Clkout Interface 011 Ethernet –
Volt Port 1bit 100 MMC/SD –
Port Addr Width/Cmd 101 SPI –
Csel Speed 110 Hyperflash –
Bus Reset Mode Addr 111 I2C –
3:
Shaded cells are don’t cares and pins can take any value.