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Pin
ETK signal name EVB signal name
101
/SGBDIP
102
/SGBI
103
/SGAACK
104
/SGBURST
105
GND
106
/SGRESCFG
107
GND
108
RESERVED
109
/SGRES
110
GND
111
RESERVED
112
GND
113
/SGRESIN0
114
/SGRESIN1
115
GND
116
SGCLK
117
GND
118
RESERVED
119
GND
120
RESERVED
121
RESERVED
122
GND
123
SGIWP0
124
SGIWP1
125
SGTCK
126
SGTMS
127
SGIWP2
128
SGIWP3
129
SGTDI
130
SGTDO
131
GND
132
SGLWP0
133
/SGTRST
134
GND
135
SGLWP1
136
SGVFLS0
137
SGEPEE
138
SGVF0
MOTOROLA
A-48
Signal description
Burst data in progress: indicates that
/BDIP
a data beat follows the current one.
Burst inhibit: "0" → slave device is
not able to support burst transfers.
/BI_/STS
Special transfer start: beginning of
an internal transaction in showcycle mode.
(TP505)
Test point 505
Burst indicator: "0" → burst transaction
/BURST
GND
Ground
Reset configuration: MPC555 will sample the hard reset
/RSTCONF
configuration word from the external data bus.
GND
Ground
(TP506)
Test point 506
/PORESET
Power on reset: activated as a result of a voltage failure.
GND
Ground
(TP507)
Test point 507
GND
Ground
/HRESET
detect or force hard reset of MPC555
/SRESET
detect or force soft reset of MPC555
GND
Ground
CLKOUT
clock for peripheral device
GND
Ground
(TP508)
Test point 508
GND
Ground
(TP509)
Test point 509
(TP510)
Test point 510
GND
Ground
IWP0_VFLS0
Instruction watchpoint of MPC555
IWP1_VFLS1
See IWP0_VFLS0
Test clock, development serial clock:
TCK_DSCK
clock for the debug interface.
TMS
Test mode select
Bus request: the data bus has been requested
for external cycle.
/BR_VF1_IWP2
Visible instruction queue flush status
Load/store watchpoint 2
Bus busy: master is using the bus
/BB_VF2_IWP3
Visible instruction queue flush status
Load/store watchpoint 3
Test data in, development serial data input.
TDI_DSDI
The data-in line for the debug port interface.
Test data out, development serial data output.
TDO_DSDO
The data-out line of the debug port interface.
GND
Ground
interrupt out: an interrupt has been requested to all
/IRQOUT_LWPO
external devices. Load/store watchpoint 3
/TRST
Test reset: asynchronous reset to the test logic.
GND
Ground
Bus grant: indicates external data bus status. Visible
/BG_VF0_LWP1
instruction queue flush status. Load/store watchpoint
Visible history buffer flush status: to allow
VFLS0_MPIO3
program instruction flow tracking.
MPC input: will control the Flash-EEPROM
SGEPEE
program or erase operations.
VF[0:2] visible instruction queue flush status: output by
VF0_MPIO0
chip when program instruction flow tracking is required.
EVB555
Quick Reference
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