MC9328MXLDVM20 Freescale, MC9328MXLDVM20 Datasheet - Page 21

• Manufacturer Part Number: MC9328MXLDVM20
• Manufacturer: Freescale

Specifications of MC9328MXLDVM20

• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Freescale Semiconductor
3.9.1 DTACK Signal Description
3.9.2 DTACK Signal Timing
Note:
Ref
No.
1
2
3
4
5
1. n is the number of wait states in the current memory access cycle. The max n is 1022.
2. T is the system clock period (system clock is 96 MHz).
3. The external DTACK input requirement is eliminated when CS5 is programmed to use internal wait state.
CS5 asserted to OE asserted
External DTACK input setup from CS5
asserted
CS5 pulse width
External DTACK input hold after CS5 is
negated
OE negated after CS5 is negated
HCLK
Figure 6. DTACK Timing, WSC=111111, DTACK_sel=0
Characteristic
Table 13. Access Cycle Timing Parameters
MC9328MXL Advance Information, Rev. 5.1
Min
3T
–
0
0
0
1.8V ± 0.10V
Max
1.5T
4.5
T
–
–
Min
3T
0
–
0
0
3.0V ± 0.30V
1.5T
Max
T
–
–
4
Specifications
Unit
ns
ns
ns
ns
ns
21