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Holtek HT98R068 Manual page 9

Two-way radio mcu

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Read 1Eh Flow
Flow description:
<91E00>: Read the 1Eh register. A data response will be sent to 1Eh after this
command is transmitted.
CLI Command
This interface protocol is different from the I/O command. For the write mode it must
contain three blocks of 20-bits of SPI data and two for the read mode. To execute the CLI
command, the first is the ID code, then the 16-bit address and finally the 16-bits of data.
Reading data will have no data block. The ID code of the read/write mode is different. ID
code >> Read/Write: 14181/14082 must be correct so that the audio processor will
continue to receive successive data. When the data is written, the audio processor will
reply with a signal: 14000 which means that the data is correctly written; otherwise it
means no data written.
Write CLI CMD
 Master Write
CLI_CMD
4'b0001
4'b0100
4'b0001
4'b0001
 Audio processor reply
CLI_CMD
4'b0001
4'b0100
Read CLI CMD
 Master Write
CLI_CMD
4'b0001
4'b0100
4'b0001
 Audio processor reply
CLI_CMD
4'b0001
4'b0100
4'b0001
Ex: Write FFFFh (with MOD, SMOD outputs at the maximum modulation) to the CLI
register "04CBh" and then read the register.
HT98R068 Two-way Radio MCU
Major
Minor
4'b0000
Address (15~0)
Data (15~0)
Major
Minor
4'b0000
Major
Minor
4'b0001
Address (15~0)
Major
Minor
4'b0001
Data (15~0)
9
Multi
Length
4'b1000
4'b0010
Multi
Length
4'b0000
4'b0000
Multi
Length
4'b1000
4'b0001
Multi
Length
4'b1000
4'b0001

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