SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
The QSPI boot mode supports the 1S-1S-4S mode only (Bit-width =1 Or 4, Single Data Rate). The Command and Address issued are 8 bits and 24 bits, respectively. The Read Command issued for QSPI is 0x6b, followed by zero for address and 8 dummy cycles. The frequency of operation supported is 33 MHz.
The following boot mode pin configuration and corresponding pin usage and mux configuration are shown below. This is the QSPI Port 0 boot mode.
Primary boot mode B and Primary Boot Mode Config 6 must be set to 0 if MCU only is set to 0.
Table 4-17 shows configuration pins assignment to functions when boot mode is the QSPI on OSPI mode.
BOOTMODE Pins | Field | Value | Description | MCU Only=1 Value |
---|---|---|---|---|
6 | Port | 0 | Port 1 | 0 |
1 | Port 0 | |||
5 | Iclk | 0 | Iclock source external | 0 |
1 | Iclock source internal | |||
4 | Csel | 0 | Boot Flash is on CS 0 | 0 |
1 | Boot Flash is on CS 1 |
Table 4-18 summarizes the OSPI pin configuration done by ROM code for QSPI boot device on port 0.
Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel |
---|---|---|---|---|---|---|
MCU_OSPI0_CLK0 | MCU_OSPI0_CLK | Disable | Up | 0 | Disable | 0 |
MCU_OSPI0_LBCLKO | MCU_OSPI0_LBCLKO | Disable | Up | 0 | Enable | 0 |
MCU_OSPI0_DQS | MCU_OSPI0_DQS | Disable | Up | 0 | Enable | 0 |
MCU_OSPI0_D0 | MCU_OSPI0_D0 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI0_D1 | MCU_OSPI0_D1 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI0_D2 | MCU_OSPI0_D2 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI0_D3 | MCU_OSPI0_D3 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI0_CSn0 | MCU_OSPI0_CSn0 | Enable | Up | 0 | Disable | 0 |
MCU_OSPI0_CSn1 | MCU_OSPI0_CSn1 | Enable | Up | 0 | Disable | 0 |
Device Pin | Module Signal | Pull Enable | Pull Direction | Driver Index | Rx En/Dis | Pinmux Sel |
---|---|---|---|---|---|---|
MCU_OSPI1_CLK | MCU_OSPI1_CLK | Disable | Up | 0 | Disable | 0 |
MCU_OSPI1_LBCLKO | MCU_OSPI1_LBCLKO | Disable | Up | 0 | Enable | 0 |
MCU_OSPI1_DQS | MCU_OSPI1_DQS | Disable | Up | 0 | Enable | 0 |
MCU_OSPI1_D0 | MCU_OSPI1_D0 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI1_D1 | MCU_OSPI1_D1 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI1_D2 | MCU_OSPI1_D2 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI1_D3 | MCU_OSPI1_D3 | Enable | Up | 0 | Enable | 0 |
MCU_OSPI1_CSn0 | MCU_OSPI1_CSn0 | Enable | Up | 0 | Disable | 0 |
MCU_OSPI1_CSn1 | MCU_OSPI1_CSn1 | Enable | Up | 0 | Disable | 0 |