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UPD17708 Folha de dados(PDF) 37 Page - Renesas Technology Corp

Nome de Peças UPD17708
Descrição Electrónicos  MOS INTEGRATED CIRCUIT
PDF  358 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD17708 Folha de dados(HTML) 37 Page - Renesas Technology Corp

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µPD17704, 17705, 17707, 17708, 17709
4. DATA MEMORY (RAM)
4.1 Outline of Data Memory
Figure 4-1 outlines the data memory.
As shown in the figure, system registers, a data buffer, port registers, and port input/output selection registers
are located on the data memory.
The data memory stores data, transfers data with the peripheral hardware or ports, and controls the CPU.
Figure 4-1. Outline of Data Memory (1/3)
(a)
µPD17709
Note
Port input/output selection registers are allocated to addresses 60H through 6FH of BANK 15.
Peripheral hardware
Data transfer
Column address
Data memory
BANK0
Port registers
Port registers
Port registers
Port registers
BANK1
BANK2
BANK3
BANK4
BANK14
BANK15Note
System registers
Ports
0123456789
A
B
C
D
E
F
Data transfer
0
1
2
3
4
5
6
7
Data buffer



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