EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 372

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

PS019209-0504
External I/O Write Timing
Table 238. External I/O Read Timing (Continued)
Figure 67 and Table 239 diagram the timing for external I/O Writes. PHI clock rise/
fall to signal transition timing is independent of the particular bus mode employed
(eZ80, Z80, Intel, or Motorola).
Figure 67. External I/O Write Timing
Parameter
T
T
T
ADDR[23:0]
8
9
10
DATA[7:0]
(output)
IORQ
CSx
WR
PHI
Abbreviation
PHI Clock Rise to IORQ Deassertion Delay
PHI Clock Rise to RD Assertion Delay
PHI Clock Rise to RD Deassertion Delay
T
7
T
1
T
5
P R E L I M I N A R Y
T
CLK
T
3
T
9
T
10
T
T
T
4
2
T
6
Product Specification
8
Electrical Characteristics
2.3
2.7
2.4
Min
eZ80F91 MCU
Delay (ns)
6.3
7.0
6.3
Max
353