Epson S1D13706 - Page 505

Epson Research and Development
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Vancouver Design Center
Interfacing to the Motorola MPC821 Microprocessor S1D13706
Issue Date: 01/02/23 X31B-G-009-02
Note
The bit numbering of the Motorola MPC821 bus signals is reversed from the normal
convention, e.g.: the most significant address bit is A0, the next is A1, A2, etc.
D11 P12-A14 D4
D12 P12-B14 D3
D13 P12-D14 D2
D14 P12-B13 D1
D15 P12-C13 D0
SRESET P9-D15 RESET#
SYSCLK P9-C2 CLKI
CS4 P6-D13 CS#
TA P6-B6 to inverter enabled by CS# WAIT#
WE0 P6-B15 WE1#
WE1 P6-A14 WE0#
OE P6-B16 RD/WR#, RD#
GND
P12-A1, P12-B1, P12-A2, P12-B2,
P12-A3, P12-B3, P12-A4, P12-B4,
P12-A5, P12-B5, P12-A6, P12-B6,
P12-A7
Vss
Table 4-1: List of Connections from MPC821ADS to S1D13706 (Continued)
MPC821 Signal Name MPC821ADS Connector and Pin Name S1D13706 Signal Name