MC68MH360EM25L Freescale Semiconductor, MC68MH360EM25L Datasheet - Page 768

• Manufacturer Part Number: MC68MH360EM25L
• Description: IC MPU QUICC ETHER 25MHZ 240FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68MH360EM25L

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

Applications
9.4.3 Software Configuration
The following paragraphs discuss a number of key points for to a software writer desiring to
initialize the system. The points discussed are those that are required to enable the previ-
ously mentioned hardware configurations.
9-48
NOTE: MA11–MA9 not required but allows future expansion.
SYSTEM BUS AND
QUICC-GENERATED SIGNALS
AMUX
D15–D0
CAS3
R/W
CAS2
D31–D16
CAS0
CAS1
RAS1
R/W
RAS1
BADD3
BADD2
A7
A9
A4
A5
A6
A8
COLUMN = A ROW = B
A0
A1
A2
A3
B0
B1
B2
B3
MC74F157
Figure 9-16. 1-Mbyte DRAM Bank—32 Bits Wide
SEL
OE
Y0
Freescale Semiconductor, Inc.
Y1
Y2
Y3
For More Information On This Product,
MA0
MA1
MA2
MA3
MC68360 USER’S MANUAL
Go to: www.freescale.com
A12
A11
A13
A15
A17
A10
A14
A16
A0
A1
B3
A2
A3
B0
B1
B2
DQ15–DQ0
RAS
UCAS
LCAS
W
DQ15–D0
RAS
UCAS
LCAS
W
MC74F157
256K 16 BIT
LOW-ORDER
256K 16 BIT
HIGH-ORDER
MCM54260
BYTES 2 & 3
BYTES 0 & 1
SEL
MCM54260
DRAM
MUXED ADDRESS BUS
WORD
WORD
DRAM
OE
Y0
Y1
Y2
Y3
MA5
MA6
MA7
MA4
A0
A1
A2
A3
A4
A5
A6
A7
A8
A8
A0
A1
A2
A3
A4
A5
A6
A7
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA3
MA0
MA1
MA2
MA4
MA5
MA6
MA7
MA8
A19
A21
A23
A25
A18
A20
A24
A22
A0
A1
A2
A3
B0
B1
B2
B3
MC74F157
SEL
OE
Y0
Y1
Y2
Y3
MA8
MA9
MA10
MA11
MOTOROLA