EZ80F920120MOD Zilog, EZ80F920120MOD Datasheet - Page 143

• Manufacturer Part Number: EZ80F920120MOD
• Description: MODULE EZ80F92 512K 20MHZ
• Manufacturer: Zilog

Specifications of EZ80F920120MOD

• Module/board Type: Development Module
• Processor Series: EZ80F92x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 1 MB
• Interface Type: Cable
• Maximum Clock Frequency: 20 MHz
• Operating Supply Voltage: 0 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP
• Development Tools By Supplier: eZ80F920200ZCOG
• Minimum Operating Temperature: 0 C
• For Use With/related Products: eZ80F92
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3157; EZ80F920120MOD

PS015308-0404
Infrared Encoder/Decoder Register
After a RESET, the Infrared Encoder/Decoder register is set to its default value. Any
writes to unused register bits are ignored and reads return a value of 0. The IR_CTL regis-
ter is described in Infrared Encoder/Decoder Control Registers (IR_CTL = 00BFh).
Table 71. Infrared Encoder/Decoder Control Registers (IR_CTL = 00BFh)
Bit
Reset
CPU Access
Note: R = Read only; R/W = Read/Write.
Bit
Position
[7:3]
2
LOOP_BACK
1
IR_RxEN
0
IR_EN
Value
000000 Reserved.
0
1
0
1
0
1
R/W
Description
Internal LOOP BACK mode is disabled.
Internal LOOP BACK mode is enabled.
IR_TxD output is inverted and connected to IR_RxD input for
internal loop back testing.
IR_RxD data is ignored.
IR_RxD data is passed to UART0
IrDA endec is disabled.
IrDA endec is enabled.
P R E L I M I N A R Y
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R
x
Product Specification
D
.
Infrared Encoder/Decoder
R/W
2
0
eZ80F92/eZ80F93
R/W
1
0
R/W
0
0
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