參數(shù)資料
型號(hào)： TC6387XB
廠商： Toshiba Corporation
英文描述： SD Memory Card / SDIO Card Controller
中文描述： SD卡/ SDIO卡控制器
文件頁數(shù)： 34/62頁
文件大?。?/td> 1406K
代理商： TC6387XB
TC6387XB Specification
Rev. 1.0 02/02/06
TOTAL
62
PAGE NO.34
TOSHIBA CONFIDENTIAL
4.5.16 CRC error interrupt
+ Interrupt Assert Condition
If the CRC value for the response, read data or CRC status received from the card does not agree with the value
internally calculated by TC6387XB, an interrupt is generated
+ Factor Evaluation Method
In the case of SD memory Card, the SCRC bit(D1) of SD Buffer Control & Error Status Register(Offset:01E-
01Fh) and the WCRCE bit, RCRCE bit, SCRCE bit and CCRCE bit(D11-8) of SD Error Detail Status
Register(Offset:02C-02Fh) are set to "1".
In the case of SDIO Card, the SCRC bit(D1) of SD Buffer Control & Error Status Register(Offset:11E-11Fh) and
the WCRCE bit, RCRCE bit and CCRCE bit(D11-10,8) of SD Error Detail Status Register(Offset:12C-12Fh) are
set to "1".
Bit
11
10
9
8
Name
WCRCE
RCRCE
SCRCE
CCRCE
Error factor
Notes
Write CRC status error for a write command
CRC error for read data
CRC error of a response for automatically issued CMD12
CRC error for a response (other than SCRCE)
Only SD memory Card
+De-asserting Method
SD memory Card
(1) "0" is written into the SCRC bit(D1) of SD Buffer Control & Error Status Register(Offset:01E-01Fh).
(2) "1" is written into the MCRC bit(D17) of SD Interrupt Mask Register(Offset:020-023h).
(3) Hardware reset by #PCLR = “0”.
(4) Software reset by writing "0" into the SRST bit(D0) of SD Software Reset Register(Offset:0E0h).
SDIO Card
(1) "0" is written into the SCRC bit(D1) of SD Buffer Control & Error Status Register(Offset:11E-11Fh).
(2) "1" is written into the MCRC bit(D17) of SD Interrupt Mask Register(Offset:120-123h).
(3) Hardware reset by #PCLR = “0”.
(4) Software reset by writing "0" into the SRST bit(D0) of SD Software Reset Register(Offset:1E0h).
HCLK
SDCLK
SDCMD
SDCD3-0
#HINT
End bit
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