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DS_MKY44IO32A_V1.7E
CUnet Family
MKY44-IO32A
MKY44 Series CUnet-Compliant Intelligent Slave ICs
16 bits PWM 2ch
8 bits DI
Model
[DIO mode]
DIO
• Sampling interval
• Filtration degree
Power voltage
Power consumption
Temperature range
Package
ST44SW
[PWM and Up/Down counter mode]
16-bit PWM
24-bit Up/Down counter input : 2ch
DIO
• Sampling interval
• Filtration degree
DO
Power voltage
Power consumption
Temperature range
Package
ST44SW
Applications
Industrial devices Medical devices Measurement devices
Power wire monitoring Process control
Overview
The MKY44-IO32A is a CUnet station IC with intelligent DIO control function. The MKY44-IO32A has the two modes of DIO
mode and PWM & Up/Down counter mode. Switching between the modes is achieved through hardware pin settings. Because a
(Data Output Station Address) pin of the ST44SW connected to the MKY44-IO32A is used to specify the network address of the
Furthermore, this control data is automatically copied to all CUnet ICs through CUnet communication (memory sharing). Input
data (DI) is automatically input to the MKY44-IO32A's own memory and automatically copied to all CUnet ICs through CUnet
communication (memory sharing). Existing users of CUnet can ge
their networks in DIO mode. In addition, PWM, Up/Down counter mode provides an easy method for counter input and PWM output
control. New users have the opportunity for easy, intelligent DIO control without load on the CPU.
24 bits UP/DOWN Counter 2ch
8 bits DO
: MKY44-IO32A
: 32 bits (I/O can be set in units of 8 bits)
:
: 100 µs to 1 s (Default value: 100 µs)
: 1 layer, 2 layers, 4 layers, 8 layers, or 10 layers
(Default setting: 10 layers)
: 3.3 V
: 20 mA
: -40 to +85 ° C
: 64-pin TQFP (0.5 mm pitch 10 mm × 10 mm)
: Required
: 2ch
(PWM frequency can be changed)
: 8 bits
:
: 100 µs to 1 s (Default value: 100 µs)
: 1 layer, 2 layers, 4 layers, 8 layers, or 10 layers
(Default setting: 10 layers)
: 8 bits
: 3.3 V
: 20 mA
: -40 to +85 ° C
: 64-pin TQFP (0.5 mm pitch 10 mm × 10 mm)
: Required
DATA SHEET
https://www.steptechnica.com/
The DOSA
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Summary of Contents for Step Technica MKY44 Series

  • Page 1 DS_MKY44IO32A_V1.7E CUnet Family MKY44-IO32A DATA SHEET https://www.steptechnica.com/ MKY44 Series CUnet-Compliant Intelligent Slave ICs 16 bits PWM 2ch 24 bits UP/DOWN Counter 2ch 8 bits DI 8 bits DO Model : MKY44-IO32A [DIO mode] : 32 bits (I/O can be set in units of 8 bits) •...
  • Page 2 CUnet Family MKY44-IO32A I Digital Filter (Common to DIO Mode, PWM and Up/Down Counter Mode) --- Page 2 / 22 ---...
  • Page 3 CUnet Family MKY44-IO32A I DIO Mode General-Purpose I/O Pin Setting List Pin name Setting level (IOSWAP = High: Normal) Pin name Setting level (IOSWAP = Low) Pin name Pin name Io22 Io22 Io23 Io23 Io24 Io24 Do22 Do22 Di22 Di22 Di22 Di22 Do22...
  • Page 4 CUnet Family MKY44-IO32A I DIP-SW Settings in the DIO mode Name DIP-SW No. Signal Function/Description DOHL DOSA4 DOSA3 DOSA DOSA2 “Support for the CUnet Mail Function (Common to DIO Mode, PWM and Up/Down Counter Mode)” --- Page 4 / 22 ---...
  • Page 5 CUnet Family MKY44-IO32A The DIO mode of the MKY44-IO32A occupies the MB (Memory Block) of the SA value that is set by SA0 to SA5 of the ST44SW. The status of the general-purpose I/O pins (Io00 to Io07, Io10 to Io17, Io20 to Io27, Io30 to Io 37) is stored in bits 0 to 31 of the MB occupied by the DIO mode of the MKY44-IO32A.
  • Page 6 CUnet Family MKY44-IO32A I DIO Mode Connection Overview --- Page 6 / 22 ---...
  • Page 7 CUnet Family MKY44-IO32A Pin Functions of the DIO mode Pin name Pin number Logic Function Connect a capacitor whose effective capacitance is at least 1 μF and a 0.1 μF ceramic capacitor for high frequency bypass in parallel between this pin and V .
  • Page 8 CUnet Family MKY44-IO32A I DIO mode Pin Assignment I Electrical Ratings (Common to DIO mode, PWM and Up/Down counter mode) Parameter Conditions Min. Max. Unit Ci/o ICLK --- Page 8 / 22 ---...
  • Page 9 CUnet Family MKY44-IO32A DIO mode Pin Ratings No I/O Name Type No I/O Name Type No I/O Name Type No I/O Name Type DIP_RX Io06 N.C. Io31 Io07 STB1 DEC1uF Io32 Io10 IOS0 Io33 Io11 IOS1 Io34 Io12 #MCARE #Reset Io35 Io13 #LCARE...
  • Page 10 CUnet Family MKY44-IO32A --- Page 10 / 22 ---...
  • Page 11 CUnet Family MKY44-IO32A I DIP-SW Setting in PWM and Up/Down Counter Mode Name DIP-SW No. Signal Function/Description DOSA4 DOSA3 DOSA DOSA2 “Support for the CUnet Mail Function (Common to DIO Mode, PWM and Up/Down Counter Mode)” --- Page 11 / 22 ---...
  • Page 12 CUnet Family MKY44-IO32A Occupied Memory Block The PWM and Up/Down counter mode of the MKY44-IO32A occupies the MB (Memory Block) of the SA value that is set by SA0 to SA5 of the ST44SW. In bits 0 to 23 of the MB occupied by the PWM and Up/Down counter mode of the MKY44-IO32A, the value of Counter-0 is stored. In bits 24 to 31, the status of the general-purpose input pins (Di0 to Di7) is stored.
  • Page 13 CUnet Family MKY44-IO32A I Selection of Output Data in PWM and Up/Down Counter Mode Content Content Content Content Content “Function Blocks of PWM and Up/Down counter mode” --- Page 13 / 22 ---...
  • Page 14 CUnet Family MKY44-IO32A I PWM and Up/Down Counter Mode Connection Overview --- Page 14 / 22 ---...
  • Page 15 CUnet Family MKY44-IO32A Pin Functions of the PWM and Up/Down Counter Mode Pin name Pin number Logic Function Connect a capacitor whose effective capacitance is at least 1 μF and a 0.1 μF ceramic capacitor for DEC1UF high frequency bypass in parallel between this pin and V .
  • Page 16 CUnet Family MKY44-IO32A I PWM and Up/Down Counter Mode Pin Assignment I Electrical Ratings (Common to DIO mode, PWM and Up/Down counter mode) Parameter Conditions Min. Max. Unit Ci/o ICLK --- Page 16 / 22 ---...
  • Page 17 CUnet Family MKY44-IO32A PWM and Up/Down Counter Mode Pin Ratings No I/O Name Type No I/O Name Type No I/O Name Type No I/O Name Type DIP_RX N.C. #PING DEC1uF #UP0 #CYCT #DOWN0 N.C. #CLR0 #MCARE #Reset #UP1 #LCARE N.C. #DOWN1 #MON N.C.
  • Page 18 CUnet Family MKY44-IO32A I Monitor functions of CUnet (Common to DIO mode, PWM and Up/Down counter mode) Function #CYCT DONA LCARE MCARE State “Quality Control and Indication of Network” --- Page 18 / 22 ---...
  • Page 19 CUnet Family MKY44-IO32A I Support for the CUnet Mail Function (Common to DIO mode, PWM and Up/Down counter mode) Ascii [sp] [¥r] [sp] Ascii Ascii DOSA Status Name Description Valid range (in ASCII) DOSA DIO mode bit2 Status Status mode --- Page 19 / 22 ---...
  • Page 20 CUnet Family MKY44-IO32A G Setting Change Using the Mail Function Ascii Read --- Page 20 / 22 ---...
  • Page 21 CUnet Family MKY44-IO32A --- Page 21 / 22 ---...
  • Page 22: Revision History

    5. This product is not designed for use in critical applications, such as life support systems. Contact us when considering such applications. 6. No part of this data sheet may be copied or reproduced in any form or by any means without prior written permission from StepTechnica Co., Ltd.. (C) 2020 STEP TECHNICA CO., LTD. - - -...

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