Signal Descriptions
MOTOROLA
MPC821FADS-DB USER’S MANUAL
5-31
49
GND
GND
—
50
51
52
D11
D11
I/O, X
Data line 11
53
GND
GND
—
54
D10
D10
I/O, X
Data line 10
55
GND
GND
—
56
D9
D9
I/O, X
Data line 9
57
GND
GND
—
58
D8
D8
I/O, X
Data line 8
59
GND
GND
—
60
61
62
D7
D7
I/O, X
Data line 7
63
GND
GND
—
64
D6
D6
I/O, X
Data line 6
65
GND
GND
—
66
D5
D5
I/O, X
Data line 5
67
GND
GND
—
68
D4
D4
I/O, X
Data line 4
69
GND
GND
—
70
71
72
D3
D3
I/O, X
Data line 3
73
GND
GND
—
74
D2
D2
I/O, X
Data line 2
75
GND
GND
—
76
D1
D1
I/O, X
Data line 1
77
GND
GND
—
78
D0
D0
I/O, X
Data line 0
79
GND
GND
—
80
81
DRMH_W
DRMH_W
O, L
DRAM Half Word signal. Sets the DRAM to
16-bit data bus width.
Table 5-12. PM4 Interconnect Signals (Continued)
PIN
MOTHERBOARD
SIGNAL
DAUGHTERBOARD
SIGNAL
INPUT/
OUTPUT
DESCRIPTION
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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