Samsung SC32442B54 User Manual page 552

SC32442B RISC MICROPROCESSOR
= 1.7V ± 0.05 V, V
(V
DDiarm
Parameter
SCL Clock Frequency
SCL High Level Pulse Width
SCL Low Level Pulse Width
Bus Free Time Between STOP and START
START Hold Time
SDA Hold Time
SDA Setup Time
STOP Setup Time
NOTES: Std. means Standard Mode and fast means Fast Mode.
1. The IIC data hold time (tSDAH) is minimum 0ns.
(IIC data hold time is minimum 0ns for standard/fast bus mode in IIC specification v2.1)
Please check whether the data hold time of your IIC device is 0 nS or not.
2. The IIC controller supports only IIC bus device (standard/fast bus mode), and not C bus device.
Table 25-13 SD/MMC Interface Transmit/Receive Timing Constants
= 1.7V ± 0.05 V, V
(V
DDiarm
Parameter
SD Command Output Delay Time
SD Command Input Setup Time
SD Command Input Hold Time
SD Data Output Delay Time
SD Data Input Setup Time
SD Data Input Hold Time
Table 25-12 IIC BUS Controller Module Signal Timing
= 1.2V ± 0.05 V, T
DDi A
= 1.2V ± 0.05 V, T
DDi A
= -25 to 85 °C, V = 3.3V ± 0.3V)
EXT
Symbol Min
f
–
SCL
std. 4.0
t
SCLHIGH
fast 0.6
std. 4.7
t
SCLLOW
fast 1.3
std. 4.7
t
BUF
fast 1.3
std. 4.0
t
STARTS
fast 0.6
std. 0
t
SDAH
fast 0
std. 250
t
SDAS
fast 100
std. 4.0
t
STOPH
fast 0.6
= -25 to 85 °C, V = 3.3V ± 0.3V)
EXT
Symbol Min
t
0
SDCD
t
14
SDCS
t
1
SDCH
t
0
SDDD
t
13
SDDS
t
1
SDDH
ELECTRICAL DATA
Typ. Max
std. 100
–
fast 400
– –
– –
– –
– –
std. –
–
fast 0.9
– –
– –
Typ. Max
– 1
– –
– –
– 1
– –
– –
Unit
KHz
µs
µs
µs
µs
µs
ns
µs
Unit
ns
ns
ns
ns
ns
ns
25-41