NEC IE-703116-MC-EM1, User Manual

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CHAPTER 2 NAMES AND FUNCTIONS OF COMPONENTS
User’s Manual U14700EJ2V0UM
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2.5 Emulation Memory
This is a substitute memory used to emulate the memory or memory mapped I/O on the target system (capacity: 4
MB).
The emulation memory is mounted on the IE-703116-MC-EM1.
2.5.1 Wait setting for emulation memory
The data wait, address wait, and idle state for the emulation memory are set as follows.
(1) ID850
Select from the following three types on the configuration screen.
Selection Wait Type Emulation Memory Access External Memory Access
Data wait Fixed to 0 waits Depends on DWC register setting
WAIT signal masked
Address wait Fixed to 0 waits Depends on ASC register setting
WAIT MASK
Idle state Fixed to 0 cycles Depends on BCC register setting
Data wait Fixed to 1 wait Depends on DWC register setting
and WAIT signal status
Address wait Fixed to 0 waits Depends on ASC register setting
1 WAIT ACCESS
Idle state Fixed to 0 cycles Depends on BCC register setting
Data wait Depends on DWC register setting
However, 1 wait when set to 0 waits
Depends on DWC register setting
and WAIT signal status
Address wait Fixed to 0 waits Depends on ASC register setting
TARGET WAIT
Idle state Depends on BCC register setting Depends on BCC register setting
(2) MULTI
Select mask or unmask for WAIT and EMWAIT using the “Pinmask” command.
Selection Wait Type Emulation Memory Access External Memory Access
Data wait Fixed to 0 waits Depends on DWC register setting
WAIT signal masked
Address wait Fixed to 0 waits Depends on ASC register setting
WAIT: Mask
EMWAIT: Mask
Idle state Fixed to 0 cycles Depends on BCC register setting
Data wait Fixed to 1 wait Depends on DWC register setting
and WAIT signal status
Address wait Fixed to 0 waits Depends on ASC register setting
WAIT: Unmask
EMWAIT: Mask
Idle state Fixed to 0 cycles Depends on BCC register setting
Data wait Depends on DWC register setting
However, 1 wait when set to 0 waits
Depends on DWC register setting
and WAIT signal status
Address wait Fixed to 0 waits Depends on ASC register setting
WAIT: Unmask
EMWAIT: Unmask
Idle state Depends on BCC register setting Depends on BCC register setting