Laptop User Manual

S3C2440A RISC MICROPROCESSOR ELECTRICAL DATA
27-41
Table 27-16 SPI Interface Transmit/Receive Timing Constants
(V
DD
= 1.2 V ± 0.1 V, T
A
= -40 to 85 °C, V
EXT
= 3.3V ± 0.3V)
Parameter Symbol Min Typ. Max Unit
SPI MOSI Master Output Delay Time
t
SPIMOD
0 – 1 ns
SPI MOSI Slave Input Setup Time
t
SPISIS
0 – 1 ns
SPI MOSI Slave Input Hold Time
t
SPISIH
0 – 1 ns
SPI MISO Slave Output Delay Time
t
SPISOD
7 – 17 ns
SPI MISO Master Input Setup Time
t
SPIMIS
6 – 15 ns
SPI MISO Master Input Hold Time
t
SPIMIH
0 – 1 ns
Table 27-17 USB Electrical Specifications
(V
DD
= 1.2 V ± 0.05 V, T
A
= -40 to 85 °C, V
EXT
= 3.3V ± 0.3V)
Parameter Symbol Condition Min Max Unit
Supply Current
Suspend Device ICCS 10 µA
Leakage Current
Hi-Z state Input Leakage ILO 0V < VIN < 3.3V -10 10 µA
Input Levels
Differential Input Sensitivity VDI | (D+) – (D-) | 0.2 V
Differential Common Mode Range VCM Includes VDI range 0.8 2.5
Single Ended Receiver Threshold VSE 0.8 2.0
Output Levels
Static Output Low VOL RL of 1.5Kohm to 3.6V 0.2 V
Static Output High VOH RL of 15Kohm to GND 2.8 3.6
Capacitance
Transceiver Capacitance CIN Pin to GND 20 pF