ZWorld CM7000 Series, Руководство пользователя

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iv s Table of Contents CM7000
Power Management ......................................................................... 48
Handling Power Fluctuations ........................................................ 49
The Watchdog Timer .................................................................... 52
Power Shutdown and Reset .......................................................... 52
PFI “Early Warning” ..................................................................... 52
Memory Protection ....................................................................... 53
Battery/Super Capacitor Backup .................................................. 53
System Reset ................................................................................... 55
Serial Communication .......................................................................... 56
RS-232 Communication .................................................................. 57
Receive and Transmit Buffers ....................................................... 58
Echo Option .................................................................................. 58
CTS/RTS Control ......................................................................... 58
XMODEM File Transfer ................................................................. 58
Modem Communication .................................................................. 59
Interrupt Handling for Z180 Port 0 ............................................... 59
Software Support .......................................................................... 60
Master-Slave Networking ............................................................... 60
Software Support .......................................................................... 61
Use of the Serial Ports ..................................................................... 62
Attainable Baud Rates .................................................................. 63
Z180 Serial Ports .......................................................................... 63
Asynchronous Serial Communication Interface ................................... 65
ASCI Status Registers ..................................................................... 65
/DCD0 (Data Carrier Detect) ........................................................ 65
TIE (Transmitter Interrupt Enable) ............................................... 65
TDRE (Transmitter Data Register Empty) ................................... 65
CTS1E (CTS Enable, Channel 1) ................................................. 66
RIE (Receiver Interrupt Enable) ................................................... 66
FE (Framing Error) ....................................................................... 66
PE (Parity Error) ........................................................................... 66
OVRN (Overrun Error) ................................................................ 66
RDRF (Receiver Data Register Full) ............................................ 66
ASCI Control Register A ................................................................ 67
MOD0–MOD2 (Data Format Mode Bits) .................................... 67
MPBR/EFR (Multiprocessor Bit Receive/Error Flag Reset) ........ 67
/RTS0 (Request to Send, Channel 0) ............................................ 67
CKA1D (CKA1 Disable) .............................................................. 67
TE (Transmitter Enable) ............................................................... 67
RE (Receiver Enable) ................................................................... 68
MPE (Multiprocessor Enable) ...................................................... 68