From: Frank Chang
In SPI-mode, CMD58 returns R3 response with the format:
39 32 31 0
++ +---+
| R1 | |OCR|
++ +---+
Where R1
On Tue, Jan 18, 2022 at 10:35 AM wrote:
> From: Frank Chang
>
> In SPI-mode, type B ("cleared on valid command") clear condition is not
> supported, and as the "In idle state" bit in SPI-mode has type A
> ("according to current state") clear condi
From: Frank Chang
In SPI-mode, unlike SD-mode, card status bits: ILLEGAL_COMMAND and
COM_CRC_ERROR have type C ("cleared by read") clear conditions.
Also, type B ("cleared on valid command") clear condition is not
supported in SPI-mode. As the "In idle state&qu
From: Frank Chang
In SPI-mode, type B ("cleared on valid command") clear condition is not
supported, and as the "In idle state" bit in SPI-mode has type A
("according to current state") clear condition, the CURRENT_STATE bits
in an SPI-mode response should be
From: Frank Chang
In SPI-mode, SD card's OCR register: Card Capacity Status (CCS) bit
is not set to 1 correclty when the assigned SD image size is larger
than 2GB (SDHC). This will cause the SD card to be indentified as SDSC
incorrectly. CCS bit should be set to 1 if we are using SDHC.
Als
From: Frank Chang
In SPI-mode, SD card's OCR register: Card Capacity Status (CCS) bit
is not set to 1 correclty when the assigned SD image size is larger
than 2GB (SDHC). This will cause the SD card to be indentified as SDSC
incorrectly. CCS bit should be set to 1 if we are using SDHC.
Als
