Motorola MCF5282 ユーザーズマニュアル
MOTOROLA
Chapter 14. Signal Descriptions
14-11
Overview
UTXD[2:0]
Transmitter serial data outputs.
O
XTAL
Internal oscillator connection to the external crystal.
O
Table 14-3. MCF5282 Signals and Pin Numbers Sorted by Function
MAPBGA Pin
Pin Functions
Description
Primary
I/O
Internal
Pull-up
1
Primary
2
Secondary
Tertiary
Reset
R11
RSTI
—
—
Reset in
I
Yes
P11
RSTO
—
—
Reset out
O
—
Clock
T8
EXTAL
—
—
External clock/crystal in
I
—
R8
XTAL
—
—
Crystal drive
O
—
N7
CLKOUT
—
—
Clock out
O
—
Chip Configuration/Mode Selection
R14
CLKMOD0
—
—
Clock mode select
I
Yes
T14
CLKMOD1
—
—
Clock mode select
I
Yes
T11
RCON
—
—
Reset configuration enable
I
Yes
H1
D26
PA2
—
Chip mode
I/O
—
K2
D17
PB1
—
Chip mode
I/O
—
K3
D16
PB0
—
Chip mode
I/O
—
J4
D19
PB3
—
Boot device/data port size
I/O
—
K1
D18
PB2
—
Boot device/data port size
I/O
—
J2
D21
PB5
—
Output pad drive strength
I/O
—
External Memory Interface and Ports
C6:B6:A5
A[23:21]
PF[7:5]
CS[6:4]
Address bus
O
Yes
C4:B4:A4:B3:A3
A[20:16]
PF[4:0]
—
Address bus
O
Yes
A2:B1:B2:C1:
C2:C3:D1:D2
A[15:8]
PG[7:0]
—
Address bus
O
Yes
D3:D4:E1:E2:
E3:E4:F1:F2
A[7:0]
PH[7:0]
—
Address bus
O
Yes
F3:G1:G2:G3:
G4:H1:H2:H3
D[31:24]
PA[7:0]
—
Data bus
I/O
—
H4:J1:J2:J3:
J4:K1:K2:K3
J4:K1:K2:K3
D[23:16]
PB[7:0]
—
Data bus
I/O
—
Table 14-2. MCF5282 Alphabetical Signal Index (Continued)
Abbreviation
Function
I/O