MC68HC55 Datasheet, PDF (37/40 Pages) Freescale Semiconductor, Inc – Two-Channel CMOS ASIC Device

MC68HC55 Technical Data
Timing Characteristics for SPI Interface
CS
t_Lead
t_CYC
t_HI
t_LO
t_F
CLK
t_SU
t_H
DI
MSB
t_Lag
t_R
LSB
t_A
t_V
t_HO
DO
MSB
t_DIS
LSB
Figure 5-2. SPI Interface Timing
TRANSFER
SCK
SAMPLE I
DI PIN
CHANGE O
DO PIN
SEL CS
MASTER
BEGIN
MSB
END
LSB
Figure 5-3. SPI Timing Diagram for a Single Transfer
MC68HC55
Timing and Electrical Specifications
Technical Data
37