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Interfacing to the Motorola MPC821 Microprocessor S1D13505
Issue Date: 01/02/05 X23A-G-008-05
Note
Note that the bit numbering of the Power PC bus signals is reversed. e.g. the mostsignificant address bit is A0, the next is A1, A2, etc.
D8 P12-A15 DB7
D9 P12-C15 DB6
D10 P12-D15 DB5
D11 P12-A14 DB4
D12 P12-B14 DB3
D13 P12-D14 DB2
D14 P12-B13 DB1
D15 P12-C13 DB0
SRESET P9-D15 RESET#
SYSCLK P9-C2 BUSCLK
CS4 P6-D13 CS#
TS P6-B7 BS#
TA P6-B6 WAIT#
R/W P6-D8 RD/WR#
TSIZ0 P6-B18 RD#
TSIZ1 P6-C18 WE0#
BI P6-B9 WE1#
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 S1D13505 (Continued)
MPC821 Signal Name MPC821ADS Connector and Pin Name S1D13505 Signal Name