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UPD17062 Datasheet(PDF) 92 Page - Renesas Technology Corp

Part # UPD17062
Description  MOS INTEGRATED CIRCUIT
PDF  298 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17062 Datasheet(HTML) 92 Page - Renesas Technology Corp

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µPD17062
10.2
FUNCTIONS OF DATA BUFFER
The data buffer provides the following two functions:
(1) Read constant data in program memory (to reference tables)
(2) Transfer data to and from peripheral hardware
Fig. 10-3 shows the relationship between the data buffer, peripheral hardware, and memory.
Table referencing is described in Section 10.3, and the peripheral hardware is described in Sections 10.4
to 10.6.
Fig. 10-3
Relationship Between Data Buffer, Peripheral Hardware, and Memory
01H
02H
03H
04H
05H-08H
40H
41H
Peripheral address
Data buffer
Internal
Table referencing
Peripheral hardware
Image display controller (IDC)
A/D converter
Serial interface
Horizontal synchronizing signal
counter
6-bit D/A converter
Address register (AR)
PLL frequency synthesizer
Program memory
(ROM)
Constant data



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