Samsung S5PC110 Manual page 989

S5PC110_UM
7.4.7 TIMEOUT SETTING FOR DAT LINE
In order to detect timeout errors on DAT line, the Host Driver executes the following two steps before any SD
transaction.
1. To calculate a divisor for detecting timeout, refer to Timeout Control Register (9.16).
2. (Set Data Timeout Counter Value (TIMEOUTCON) in the Timeout Control register in accordance with the
value of step (1).
START
( 1)
Calculate a Divisor for detecting Timeout
( 2)
Set Timeout Detection Timer
END
Figure 7-8 Timeout Setting Sequence
7 SD/MMC CONTROLLER
7-9