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MPC8540 Datasheet(PDF) 177 Page - Freescale Semiconductor, Inc

Part # MPC8540
Description  MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual
PDF  1302 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8540 Datasheet(HTML) 177 Page - Freescale Semiconductor, Inc

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Signals Overview
MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1
Freescale Semiconductor
3-9
SRESET
Soft reset
System control
—
1
I
4-2/4-2
CKSTP_IN
Checkstop in
System control
—
1
I
18.2/18-1
CKSTP_OUT
Checkstop out
System control
—
1
O
18.2/18-1
READY
Device ready
System control
TRIG_OUT
1
O
4-2/4-2
TRIG_IN
Watchpoint trigger in
Debug
—
1
I
20-2/20-6
TRIG_OUT
Watchpoint trigger out
Debug
READY
1
O
20-2/20-6
MSRCID[0:1]
Memory debug source
port ID 0–1
Debug
cfg_mem_debug
cfg_ddr_debug
2O
9-6/9-10
MSRCID[2:4]
Memory debug source
port ID 2–4
Debug
—
3
O
20-2/20-6
MDVAL
Memory debug data valid
Debug
—
1
O
20-2/20-6
ASLEEP
Asleep
Power mgmt
—
1
O
18.2/18-1
SYSCLK
System clock/PCI clock
Clock
—
1
I
4-3/4-3
RTC
Real time clock
Clock
—
1
I
4-3/4-3
CLK_OUT
Clock out
Clock
—
1
O
18.2/18-1
LSSD_MODE
LSSD mode
Test
—
1
I
20-2/20-6
L1_TSTCLK
L1 test clock
Test
—
1
I
20-2/20-6
L2_TSTCLK
L2 test clock
Test
—
1
I
20-2/20-6
TEST_SEL
Test select
Test
—
1
I
20-2/20-6
THERM[0:1]
Thermal resistor access
Test
—
2
I
20-2/20-6
TCK
Test clock
JTAG
—
1
I
20-2/20-6
TDI
Test data in
JTAG
—
1
I
20-2/20-6
TDO
Test data out
JTAG
—
1
O
20-2/20-6
TMS
Test mode select
JTAG
—
1
I
20-2/20-6
TRST
Test reset
JTAG
—
1
I
20-2/20-6
Table 3-2. MPC8540 Alphabetical Signal Reference
Name
Description
Functional
Block
Alternate
Function(s)
No. of
Signals
I/O
Table/
Page
ASLEEP
Asleep
Power mgmt
—
1
O
18.2/18-1
CKSTP_IN
Checkstop in
System control
—
1
I
18.2/18-1
CKSTP_OUT
Checkstop out
System control
—
1
O
18.2/18-1
CLK_OUT
Clock out
Clock
—
1
O
18.2/18-1
Table 3-1. MPC8540 Signal Reference by Functional Block (continued)
Name
Description
Functional
Block
Alternate
Function(s)
No. of
Signals
I/O
Table/
Page



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