EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 116

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

PS019209-0504
Bit
Position
[3:0]
BUS_CYCLE
Notes:
1. Setting the BUS_CYCLE to 1 in Intel bus mode causes the ALE pin to not function properly.
2. Use of the external WAIT input pin in Z80 Mode requires that BUS_CYCLE is set to a value
3. BUS_CYCLE produces no effect in eZ80 mode.
greater than 1.
Value Description
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Not valid.
Each bus mode state is 1 eZ80
Each bus mode state is 2 eZ80
Each bus mode state is 3 eZ80
Each bus mode state is 4 eZ80
Each bus mode state is 5 eZ80
Each bus mode state is 6 eZ80
Each bus mode state is 7 eZ80
Each bus mode state is 8 eZ80
Each bus mode state is 9 eZ80
Each bus mode state is 10 eZ80
Each bus mode state is 11 eZ80
Each bus mode state is 12 eZ80
Each bus mode state is 13 eZ80
Each bus mode state is 14 eZ80
Each bus mode state is 15 eZ80
P R E L I M I N A R Y
®
®
®
®
®
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®
®
®
®
®
®
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clock cycle in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
clock cycles in duration.
Chip Selects and Wait States
Product Specification
eZ80F91 MCU
1, 2, 3
97