MC9328MXSVP10R2 Freescale, MC9328MXSVP10R2 Datasheet - Page 19

• Manufacturer Part Number: MC9328MXSVP10R2
• Manufacturer: Freescale

Specifications of MC9328MXSVP10R2

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

4.1
All registers in the ETM9 are programmed through a JTAG interface. The interface is an extension of the
ARM920T processor’s TAP controller, and is assigned scan chain 6. The scan chain consists of a 40-bit
shift register comprised of the following:
The data to be written is scanned into the 32-bit data field, the address of the register into the 7-bit address
field, and a 1 into the read/write bit.
A register is read by scanning its address into the address field and a 0 into the read/write bit. The 32-bit
data field is ignored. A read or a write takes place when the TAP controller enters the UPDATE-DR state.
The timing diagram for the ETM9 is shown in
in
Freescale Semiconductor
Figure
•
•
•
Ref No.
2a
2b
3a
3b
4a
4b
32-bit data field
7-bit address field
A read/write bit
1
Embedded Trace Macrocell
2.
CLK frequency
Clock high time
Clock low time
Clock rise time
Clock fall time
Output hold time
Output setup time
Output Trace Port
(Half-Rate Clocking Mode)
TRACECLK
TRACECLK
Parameter
Table 9. Trace Port Timing Diagram Parameter Table
Figure 2. Trace Port Timing Diagram
MC9328MXS Technical Data, Rev. 3
Minimum
3a
2.28
3.42
1.3
0
3
–
–
1.8 ± 0.1 V
Figure
3b
2a
Maximum
2. See
85
–
–
4
3
–
–
4a
2b
Table 9
Valid Data
Functional Description and Application Information
for the ETM9 timing parameters used
Minimum
0
2
2
–
–
2
3
1
3.0 ± 0.3 V
Valid Data
Maximum
100
–
–
3
3
–
–
4b
MHz
Unit
ns
ns
ns
ns
ns
ns
19