SPC5121YVY400BR Freescale, SPC5121YVY400BR Datasheet - Page 46

• Manufacturer Part Number: SPC5121YVY400BR
• Manufacturer: Freescale

Specifications of SPC5121YVY400BR

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Electrical and Thermal Characteristics
3.3.9.2
A timing diagram for the PIO read mode is given in
To fulfill read mode timing, the different timing parameters given in
46
Parameter
tskew4
tskew5
tskew6
Name
ATA
t1
t2
t9
Read Data (15:0)
Max difference in cable propagation delay between: ATA_IORDY and
ATA_DATA (read)
Max difference in cable propagation delay between: ATA_DIOR,
ATA_DIOW, ATA_DMACK and ATA_CS0, ATA_CS1, ATA_DA2, ATA_DA1,
ATA_DA0, ATA_DATA (write)
Max difference in cable propagation delay without accounting for ground
bounce
Mode Timing
PIO Mode Timing
Parameter
PIO Read
t2r
t1
t9
IORDY
IORDY
ADDR
DIOR
t1(min) = time_1 * T - (tskew1 + tskew2 + tskew5)
t2(min) = time_2r * T - (tskew1 + tskew2 + tskew5)
t9(min) = time_9 * T - (tskew1 + tskew2 + tskew6)
Table 3-25. PATA Timing Parameters (continued)
Table 3-26. Timing Parameters PIO Read
MPC5121E/MPC5123 Data Sheet, Rev. 3
Figure 24. PIO Read Mode Timing
Meaning
t1
Figure
Value
24.
tA
Table 3-26
t2r
must be observed.
calculate and programming
time_1, see Reference Manual
calculate and programming
time_2r, see Reference Manual
calculate and programming
time_9, see Reference Manual
Controlled by
Cable
Cable
Cable
How to meet
t5
trd1
Freescale Semiconductor
t9
Value
t6
SpecID
A9.14
A9.15
A9.16
SpecID
A9.20
A9.21
A9.22