MC68360EM25VL Freescale Semiconductor, MC68360EM25VL Datasheet - Page 210
MC68360EM25VL
Manufacturer Part Number
MC68360EM25VL
Description
IC MPU QUICC 25MHZ 240-FQFP
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68EN360VR25L.pdf
(14 pages)
2.MC68EN360VR25L.pdf
(2 pages)
3.MC68360AI25L.pdf
(962 pages)
Specifications of MC68360EM25VL
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
240-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68360EM25VL
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68360EM25VL
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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CPU32+
BKPT_TAG should be timed to the bus cycles since it is not latched. If extended past the
assertion of FREEZE, the negation of BKPT_TAG appears to the CPU32+ as the first
DSCLK.
DSCLK, the gated serial clock, is normally high, but it pulses low for each bit to be trans-
ferred. At the end of the seventeenth clock period, it remains high until the start of the next
transmission. Clock frequency is implementation dependent and may range from DC to the
maximum specified frequency. Although performance considerations might dictate a hard-
ware implementation, software solutions can be used provided serial bus timing is main-
tained.
5.6.2.8 COMMAND SET. The following paragraphs describe the command set available in
BDM.
5.6.2.8.1 Command Format. The following standard bit .command format is utilized by all
BDM commands.
Bits 15–10—Operation Field
R/W Field
Operand Size
Address/Data (A/D) Field
5-68
15
The operation field specifies the commands. This 6-bit field provides for a maximum of 64
unique commands.
The R/W field specifies the direction of operand transfer. When the bit is set, the transfer
is from theCPU to the development system. When the bit is cleared, data is written to the
CPU or to memory from the development system.
For sized operations, this field specifies the operand data size. All addresses are ex-
pressed as 32-bit absolute values. The size field is encoded as listed in Table 5-22..
The A/D field is used by commands that operate on address and data registers. It deter-
mines whether the register field specifies a data or address register. One indicates an ad-
dress register; zero indicates a data register. For other commands, this field may be
interpreted differently.
OPERATION
Freescale Semiconductor, Inc.
For More Information On This Product,
Table 5-22. Size Field Encoding
Encoding
10
00
01
10
11
MC68360 USER’S MANUAL
Go to: www.freescale.com
9
0
EXTENSION WORD(S)
R/W
8
7
OP SIZE
Operand Size
Reserved
6
Word
Long
Byte
5
0
4
0
A/D
3
2
REGISTER
0
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