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Chapter 3: External Memory BFM 3–3
Parameters
May 2011 Altera Corporation Avalon Verification IP Suite User Guide
Writing to the Memory
The BFM overwrites its memory content when the BFM asserts the following signals:
■
cdt_write
signal
■
cdt_chip_select
signal
Parameters
Table 3–2 lists the parameter settings for the external memory BFM.
Table 3–2. External Memory BFM Parameter Settings (Part 1 of 2)
Option Default Value
Legal
Values
Description
Port Enables
Use the byteenable signal On On/Off
When On, the interface includes a
byteenable
pin to enable specific byte lanes during transfer.
Use the chip select signal On On/Off
When On, the interface includes a
chipselect
pin. When present, the slave port ignores all
Avalon-MM signals unless
chipselect
is
asserted.
chipselect
is always present in
combination with
read
or
write
.
Use the write signal On On/Off
When On, the interface includes a
write
pin
that enables the write-request signal.
Use the read signal On On/Off
When On, the interface includes a
read
pin that
enables the read-request signal.
Use the output enable
signal
On On/Off
When On, the interface includes an
outputenable
pin.
Use the begintransfer signal On On/Off
When On, the interface includes a
begintransfer
pin.
Use the reset input signal Off On/Off When On, the interface includes a
reset
pin.
Use the active low
byteenable signal
Off On/Off
When On, the interface includes an active low
byteenable
pin.
Use the active low
chipselect signal
Off On/Off
When On, the interface includes an active low
chipselect_n
pin.
Use the active low write
signal
Off On/Off
When On, the interface includes an active low
write
_n pin.
Use the active low read
signal
Off On/Off
When On, the interface includes an active low
read_n
pin.
Use the active low
outputenable signal
Off On/Off
When On, the interface includes an active low
outputenable_n
pin.
Use the active low
begintransfer signal
Off On/Off
When On, the interface includes an active low
begintransfer_n
pin.
Use the active low reset
signal
Off On/Off
When On, the interface includes an active low
reset_n
pin.
- User Guide 1
- Avalon Verification IP Suite 1
- Contents 3
- 2 Contents 4
- Chapter 5. Avalon-MM Monitor 5
- 4 Contents 6
- Section IV. Avalon-ST BFMs 7
- Chapter 3. Avalon-ST Sink BFM 8
- Chapter 5. Avalon-ST Monitor 9
- Chapter 1. Conduit BFM 10
- Contents 9 11
- Section VII. Tutorials 12
- Additional Information 13
- Verification IP Suite 14
- Application Example of BFMs 15
- In This User Guide 16
- Chapter 1, Clock Source BFM 17
- Chapter 2, Reset Source BFM 17
- 1. Clock Source BFM 18
- 2. Reset Source BFM 20
- Interrupt Sink BFMs 21
- Section III. Avalon-MM BFMs 23
- 1. Avalon-MM Master BFM 24
- Avalon-MM 29
- Master BFM 29
- Note to Table 1–3: 31
- <rolename> commands 35
- 2. Avalon-MM Master BFM with 42
- Avalon-ST API Wrapper 42
- 3. Avalon-MM Slave BFM 44
- Test Program 50
- Slave BFM 50
- Note to Table 3–3: 52
- API Wrapper 62
- 5. Avalon-MM Monitor 64
- 1. Avalon-ST Source BFM 90
- Note to Table 1–2: 93
- 3. Avalon-ST Sink BFM 101
- Functional Description 102
- Block Diagram 103
- Note to Table 3–2: 104
- Application Program Interface 105
- Avalon-ST Sink BFM Translator 108
- 5. Avalon-ST Monitor 110
- Parameters 111
- DISABLE_ALTERA_AVALON_SIM_SVA 112
- Coverage Group 114
- Transaction Monitoring 119
- Chapter 1, Conduit BFM 123
- 1. Conduit BFM 124
- 2. Tri-State Conduit BFM 127
- 3. External Memory BFM 133
- Reading from the Memory 134
- 1. SOPC Builder Tutorial 157
- Verifying Avalon-MM Slave DUT 158
- Setting up the Test 159
- Running the Simulation 161
- Observing the Results 162
- Setting Up the Test 163
- 2. Qsys Tutorial 168
- Chapter 2: Qsys Tutorial 2–3 170
- Verifying Avalon-ST DUT 170
- 2–4 Chapter 2: Qsys Tutorial 171
- Chapter 2: Qsys Tutorial 2–7 174
- Example 2–2. Response Latency 175
- Chapter 2: Qsys Tutorial 2–9 176
- Note to Table: 177
- Typographic Conventions 178
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