UPD17073 NEC, UPD17073 Datasheet - Page 54
UPD17073
Manufacturer Part Number
UPD17073
Description
4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
Manufacturer
NEC
Datasheet
1.UPD17073.pdf
(226 pages)
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9. DATA BUFFER (DBF)
9.1 General
54
(1) Reads constant data on program memory (table reference)
(2) Transfers data with hardware peripherals
Figure 9-1 outlines the data buffer.
The data buffer is located on the data memory and has the following two functions:
Table reference
(MOVT instruction)
Program memory
Constant data
Data buffer
Figure 9-1. Outline of Data Buffer
Data read (GET instruction)
Data write
(PUT instruction)
Peripheral hardware
PD17072,17073
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