User's Manual

PinDescriptionofconnector(CN1)forM224A
BluetoothInterfaceconnectorsignalassignmentsandfunctions
Pin
number
Signalname Signaldirection Function
1 VCC - Powersupply(+3.3V)
2 VCC - Powersupply(+3.3V)
3 MODESEL Input ThissignalsetstheoperatingmodeofBluetoothmodule
L:Automaticmode
H:Commandmode
4 PWROK Input Resetsignalinput
5 (Reserved) - Notused
6 LINK Output Thissignalindicatesthestateofconnectionbetweenmasterdeviceandthisunit
7 UIBTYP1 Output Thissignalindicatesthetypeofinterface
8 UIBTYP2 Output Thissignalindicatesthetypeofinterface
9 RSTUIB Input Resetsignalinput
10 (Reserved) - Notused
11 (Reserved) - Notused
12 RTS Output ThissignalindicateswhethertheBluetoothinterfaceboardisbusy
13 NC - Notused
14 DTR Input ThissignalindicateswhethertheBluetoothinterfaceboardcansenddatatoprinter
15 RxD Input Receivedata
16 TxD Output Transmitdata
17 RSTOUT Output Notused(FixedtoH)
18 GND - Ground
19 GND - Ground
20 GND - Ground
SEIKOEPSONCORPORATIONCONFIDENTIAL
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