Janz Tec emPC-CX+, Справочное руководство системы

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iv emPC-CX+ ( System Reference Manual)
©
Janz Tec AG Rev. 1.2
About this Manual
This is the system reference manual for the CX+ series. It starts with an introduction
to the emPC-CX+
and emVIEW. It describes the features and architecture of the CX series. After that it discusses some
topics about programming
for these products.
For a description of the emPC-CX+ and emPC-CX+ refer to the respective hardware manuals; the
Janz Tec AG homepage gives information about it.
Conventions
DANGER
indicates that death or severe personal injury
will result if proper precautions are not
taken.
WARNING
indicates that death or severe personal injury
may result if proper precautions are not
taken.
CAUTION
indicates that
minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that damage to equipment can result if proper precautions are not taken.
indicates information that we think you should have read to save your time by avoiding
common problems. Important suggestions that should be followed will also be marked
with this sign.
If numbers are specified in this manual, they will be either decimal or hexadecimal. We use C-notation
to identify hexadecimal numbers (the 0x prefix).
If we refer to low active signal names, they will suffixed by a “#” character.
Register descriptions are done in the following style:
Word address
↓
Access width
↓
Access type
↓
Register Name

serial EEPROM
0x080 (byte, rw)
Bit Numbers

7 6 5 4 3 2 1 0
Field Numbers

reserved SCL SDA
Reset:
State after Reset

- 0 0
The access type specifies the possible operations on this register. The code ro (read-only)
says that this register is only defined for read operations, while the code wo (write-only)
indicates that this register can only be written. Undefined operations must be performed on a
register.
The code
rw (read/write) specifies that this register might be read and written. Depending on
the detailed description for a register, this does not necessarily mean that you can do read-
modify-write operations on this register.
The
state-after-reset specifies the value that is read after reset, or the internal value after reset