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參數(shù)資料
| 型號： | SPNZ132 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TMS470 Microcontrollers |
| 中文描述： | TMS470的微控制器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 96K |
| 代理商： | SPNZ132 |
SPNZ132
A128 Silicon Errata
4
VNV Voltage Adjusted to Set 0xA Step to 7.86V
Advisory FP#7
Description
:
This adjustment is to improve yield and reduce erase time. It has no functional impact or
changes to software.
Workaround
:
None
Configuration Mode Required for Sleep or Standby
Advisory FW#3
Description
:
The configuration mode must be set to enter sleep or standby modes.
Workaround
:
The documentation (literature number SPNU213) has been updated to reflect this
requirement.
Fails Initial Read of 0x00x7 in Pipeline Mode
Advisory FW#13
Description
:
Immediately after entering pipeline mode, a data read of location 0x04 immediately following a
data read of location 0x0 will cause 0x04 to read as all 0s.
Workaround
:
Perform a dummy data read of any location other than 0 or 4 immediately after entering
pipeline mode. The documentation (literature number SPNU213) has been updated to reflect
this requirement.
Wait States Must Be Set From Highest to Lowest
Advisory FW#14
Description
:
Wait states must be set by bank from highest to lowest wait states. Otherwise, if the higher
number of wait states is written last, this value will apply to all banks.
Workaround
:
Set the wait states in each bank by writing to the bank requiring the most wait states first and
proceeding to the bank requiring the least wait states last. The documentation (literature
number SPNU213) has been updated to reflect this requirement.
Access to Nonexisting Bank Hangs CPU
Advisory FW#17
Description
:
If all banks are in sleep or standby mode and an access to a nonexisting bank is performed,
the CPU will hang.
Workaround
:
Make sure the decoder MFBAH/L0 and MFBAH/L1 registers are set so that an access to a
nonexisting memory bank will generate an illegal access exception. The documentation
(literature number 213) has been updated to reflect this requirement.
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