Mpc821 To S1D13706 Interface; Hardware Description - Epson S1D13706 Technical Manual

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Epson Research and Development
Vancouver Design Center

4 MPC821 to S1D13706 Interface

4.1 Hardware Description

Note:
When connecting the S1D13706 RESET# pin, the system designer should be aware of all
conditions that may reset the S1D13706 (e.g. CPU reset can be asserted during wake-up
from power-down modes, or during debug states).
Figure 4-1: Typical Implementation of MPC821 to S1D13706 Interface
Interfacing to the Motorola MPC821 Microprocessor
Issue Date: 01/02/23
The interface between the S1D13706 and the MPC821 requires no external glue logic. The
polarity of the WAIT# signal must be selected as active high by connecting CNF5 to NIO
V
(see Table 4-2:, "Summary of Power-On/Reset Configuration Options," on page 18).
DD
BS# (bus start) is not used in this implementation and should be tied high (connected to
HIO V
).
DD
The following diagram shows a typical implementation of the MPC821 to S1D13706
interface.
MPC821
A[15:31]
D[0:15]
CS4
A14
TA
WE0
WE1
OE
SYSCLK
Table 4-1:, "List of Connections from MPC821ADS to S1D13706" on page 16 shows the
connections between the pins and signals of the MPC821 and the S1D13706.
S1D13706
AB[16:0]
DB[15:0]
CS#
M/R#
HIO V
DD
BS#
WAIT#
WE1#
WE0#
RD/WR#
RD#
CLKI
RESET#
System RESET
Page 15
S1D13706
X31B-G-009-02

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