3 relaxed timing, Relaxed timing -55, Gpcm memory device basic timing (acs – Motorola MPC8260 User Manual
Page 331: 00, csnt = 1, trlx = 0) -55, As figure 10-45 sho, Wn in figure 10-45
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MOTOROLA
Chapter 10. Memory Controller
10-55
Part III. The Hardware Interface
Figure 10-45. GPCM Memory Device Basic Timing (ACS
¹ 00, CSNT = 1, TRLX = 0)
10.5.1.3 Relaxed Timing
ORx[TRLX] is provided for memory systems that require more relaxed timing between
signals. When TRLX = 1 and ACS
¹ 00, an additional cycle between the address and
strobes is inserted by the MPC8260 memory controller. See Figure
Figure 10-46. GPCM Relaxed Timing Read (ACS = 1x, SCY = 1, CSNT = 0, TRLX = 1)
Clock
Address
PSDVAL
CS
WE
Data
CSNT = 1
ACS = 11
ACS = 10
Clock
Address
PSDVAL
CS
R/W
WE
OE
Data
ACS = 10
ACS = 11
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