Mpu With Ready (Or Wait#) Signal; Figure 2: 8-Bit Mode, Example: Z80; Figure 3: 16-Bit Mode, Example: I8086 (Maximum Mode) - Epson S1D13503 Technical Manual

Epson Research and Development
Vancouver Design Center

3.2 MPU with READY (or WAIT#) signal

CLK
RDY
8284A
Hardware Functional Specification
Issue Date: 01/01/29
Downloaded from Elcodis.com electronic components distributor
Z80
MREQ#
MI#
IORQ#
A0 to A15
D0 to D7
WAIT#
WR#
RD#
RESET#
(example implementation only - actual may vary)
8086
(Maximum mode)
CLK
S2#
READY
S1#
READY
S0#
RESET# RESET#
A16 to A19
BHE#
AD0 to AD15

Figure 3: 16-Bit Mode, Example: i8086 (maximum mode)

(example implementation only - actual may vary)
Decoder
A10 to A15
Decoder

Figure 2: 8-Bit Mode, Example: Z80

8288
CLK
MRDC#
S2#
AMWC#
S1#
IORC#
S0#
AIOWC#
DEN
DT/R
ALE
Decoder
A16
M/IO#
BHE#
A0 to A16
STB
D0 to D15
T
OE
Transceiver
S1D13503
MEMCS#
IOCS#
AB0 to AB15
DB0 to DB7
READY
MEMW#
MEMR#
IOR#
IOW#
RESET
S1D13503
MEMR#
MEMW#
IOR#
IOW#
AB16 to AB19
AB0 to AB15
BHE#
MEMCS#
IOCS#
DB0 to DB15
RESET
READY
S1D13503
X18A-A-001-08
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