參數(shù)資料
型號(hào): E86MON
英文描述: E86MON - E86MON Software User's Manual
中文描述: E86MON - E86MON軟件用戶手冊(cè)
文件頁(yè)數(shù): 46/74頁(yè)
文件大小: 1581K
代理商: E86MON
E86MON Software User’s Manual
3-22
2.0
cpuspeed
This defines the speed of the CPU to the monitor. This is required for
correct default baud rate set up and correct DRAM refresh rate
selection (Am186CC/CH/CU and Am186ED devices only). It is also
used to set the internal timer tick correctly. The internal timer tick is
used by benchmark programs and also governs the speed of the LED
patterns.
hhkey
This should only be nonzero when the monitor is running on a
Hamilton-Hallmark “keychain” system. It sets up various GPIOs
correctly for this system.
led
When this is nonzero, the monitor uses the LEDs to show current
status. When this is zero, the monitor does not change the LEDs. Set
this to zero if the LED GPIOs are connected to other hardware and
you do not want the E86MON software disturbing that hardware.
refresh_hz
This value is useful only for Am186CC/CH/CU and Am186ED
devices. It defines the rate at which refresh cycles occur. The default
rate is 64 KHz, which provides 512 refresh cycles every 8 ms. Note
that the actual refresh rate is not correct unless the cpuspeed
permanent variable matches the actual CPU clock speed.
waitstates
This value is used only on Am186CC/CH/CU and Am186ED devices
to select wait states for the LCS DRAM.
protectflash Locations between this variable and the monitor upgrade sector
(Figure 1-2 on page 1-5) are not erased by the XA command. A
specific sector can still be erased with the X <sector number>
command.
frtbook Page 22 Monday, August 13, 2001 4:07 PM
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