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EM55V22BUGNOTE

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EM55V22BUGNOTE 数据手册

EM55 Compiler Version 2.2

APPLICATION NOTES

REVISION DATE:

Jul, 10, 2002

APP. NOTE VERSION

AFFECTIVE CHIPS:

AFFECTIVE SOFTWARE:

1.0

All

2.2

The EM55SUDev compiler version 2.2, have some bugs with the commands described below. If

possible, please avoid using these commands. If you must, then try the following corrective

actions.

1. Short Debounce Time Bug:

When defining “Project \ Option Setting … \ Debounce” item, the default setting is “2.”

Defining 2 or above are also acceptable. However, DO NOT define “1.” If “Debounce =1” is

defined, the Scan Key routine will misinterpret the setting and enter into the wrong path_name

(into one of the key pathnames at the input point of Input_status instead of the right one).

2. “TRn?:L/H: Path_name” Command fail for EM5000 Series:

When using EASY-n Format, the “TRn?:L/H: Path_name” command works well with

EM55001 only. All the other EM55000 series IC’ s (EM55002 ~ EM55700) CANNOT

properly interpret the processes of the TRn execution.

To achieve the same purpose of the command on EM55002 ~ EM55700, use the In-Line ASM

as illustrated in the example next page.

3. “TRn?:L/H: Path_name” command mistake for EM5000S Series:

When using EASY-n Format on EM55000S series IC’ s, the Scan Key routine will misinterpret

the setting and enter into the wrong path_name (one of the key pathnames at the input point of

Inputstatus instead of the right one).

To avoid the problem, user can modify the program by replacing the “TRn?:L/H: Path_name”

command with In-Line ASM as illustrated in the example next page.

12 3

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型号	品牌	获取价格	描述	数据表
EM56000A	ELAN	获取价格	TINY CONTROLLER-BASED DUALCHANNELSPEECHSYNTHESIZER
EM56001A	ELAN	获取价格	TINY CONTROLLER-BASED DUALCHANNELSPEECHSYNTHESIZER
EM56101A	ELAN	获取价格	TINY CONTROLLER-BASED DUALCHANNELSPEECHSYNTHESIZER
EM56200A	ELAN	获取价格	TINY CONTROLLER-BASED DUALCHANNELSPEECHSYNTHESIZER
EM562081	ETRON	获取价格	256K x 8 Low Power SRAM
EM562081BC-70	ETRON	获取价格	256K x 8 Low Power SRAM
EM562081BC-85	ETRON	获取价格	256K x 8 Low Power SRAM
EM562161	ETRON	获取价格	128K x 16 Low Power SRAM
EM562161BC-55	ETRON	获取价格	128K x 16 Low Power SRAM
EM562161BC-70	ETRON	获取价格	128K x 16 Low Power SRAM