User`s manual

30
Table 2.4 Pin Assignments of the External Bus Trace Unit Connector (cont)
Pin
No.
I/O
(CONT)
E200F
Trace I/F
Connector
Pin Name
SH7211
Signal
Name Voltage Meaning of Signal Note
142 I UCONT-P21 _WAIT 3.3 V Hardware wait
request
Connect the _WAIT signal of the MPU (fix
_WAIT to high level when it is not used).
143 I UCONT-P22 _BREQ 3.3 V Bus mastership
request
Connect the _BREQ signal of the MPU (fix
_BREQ to high level when it is not used).
144 I UCONT-P23 NMI 3.3 V Non-maskable
interrupt request
Connect the NMI signal of the MPU (fix NMI to
high level when it is not used).
145 I UCONT-P24 N.C -
146 I UCONT-P25 N.C -
147 I UCONT-P26 N.C -
148 I UCONT-P27 N.C -
149 I UCONT-P28 N.C -
150 I UCONT-P29 N.C -
151 I UCONT-P30 N.C -
152 I UCONT-P31 N.C -
153 - GND GND GND
154 - GND GND GND
155 I MPUCLK ASEBCK 3.3 V ASE bus clock Connect the ASEBCK signal of the MPU
(necessary).
156 - GND GND GND
157 - GND GND GND
158 I DDRCLK N.C -
159 - GND GND GND
160 I DDRCLK-N N.C -
161 - GND GND GND
162 - GND GND GND
163 I CS0IN-N _CS0 3.3 V Chip select signal Connect _CS (chip select). Fix the unused _CS
pin to high level.
164 I CS1IN-N _CS1 3.3 V Chip select signal Same as above.
165 I CS2IN-N _CS2 3.3 V Chip select signal Same as above.
166 I CS3IN-N _CS3 3.3 V Chip select signal Same as above.