EZ80F920200ZCO Zilog, EZ80F920200ZCO Datasheet - Page 59
EZ80F920200ZCO
Manufacturer Part Number
EZ80F920200ZCO
Description
KIT DEV FOR EZ80F92 W/C-COMPILER
Manufacturer
Zilog
Series
eZ80 Acclaim!®r
Type
MCUr
Datasheet
1.EZ80F920200ZCO.pdf
(90 pages)
Specifications of EZ80F920200ZCO
Contents
2 Primary Boards, Hardware, Software and Documentation
For Use With/related Products
eZ80F92
For Use With
269-4661 - KIT ACC ETHERNET SMART CABLE
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3162
EZ80F920200ZCO
EZ80F920200ZCO
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UM013904-0203
however, it cannot do both at the same time. Only a few registers are
required to configure the UART0 port to send and receive IrDA data.
The RxD and TxD signals on the transceiver perform the same functions
as a standard RS232 port. However, these signals are processed as IrDA
3/16 coding pulses (sometimes called IrDA encoder/decoder pulses).
When the IrDA function is enabled, the final output to the RxD and TxD
pins are routed through the 3/16 pulse generator.
Another signal that is used in the eZ80F92 Flash Module’s IrDA system
is Shut_Down (SD). The SD pin is connected to PD2 on the eZ80F92
Flash Module. The IrDA control software on the user’s wireless device
must enable this pin to wake the IrDA transceiver. The SD pin must be set
Low to enable the IrDA transceiver. On the eZ80F92 Flash Module, a
two-input OR gate is used to allow an external pin to shut down the IrDA
transceiver. Both pins must be set Low to enable this function.
Figure 14 highlights the eZ80F92 Flash Module IrDA hardware connec-
tions.
The eZ80F92 Flash Module features an Infrared Encoder/Decoder regis-
ter that configures the IrDA function. This register is located at address
0BFh
The Infrared Encoder/Decoder register contains three control bits. Bit 0
enables or disables the IrDA encoder/decoder block. Bit 1, if it is set,
External Disable
eZ80L92
Device
in the internal I/O register map.
Figure 14. IrDA Hardware Connections
PD2(IR_SD)
PD1(RxD)
PD0(TxD)
PRELIMINARY
eZ80F92 Development Kit
SD
RD
TD
Operational Description
IrDA
User Manual
49
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