Epson Research and Development
Page 17
Vancouver Design Center
Interfacing to the Motorola MPC821 Microprocessor
S1D13704
Issue Date: 01/02/12
X26A-G-010-03
Note
The bit numbering of the Power PC bus signals is reversed from the normal convention,
e.g.: the most significant address bit is A0, the next is A1, A2, etc.
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 S1D13704 (Continued)
MPC821 Signal Name
MPC821ADS Connector and Pin Name
S1D13704 Signal Name
*