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PD17012 Datasheet(PDF) 49 Page - Renesas Technology Corp

Part # PD17012
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE
PDF  320 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

PD17012 Datasheet(HTML) 49 Page - Renesas Technology Corp

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µPD17012, 17P012
47
Data Sheet U10101EJ4V0DS
5.7 General Register Pointer (RP)
5.7.1 Configuration of general register pointer
Figure 5-7 shows the configuration of the general register pointer.
As shown in this figure, the general register pointer consists of 7 bits: 4 bits of address 7DH (RPH) of the
system register and the higher 3 bits of address 7EH (RPL). However, because the higher 2 bits of address
7DH are always fixed to 0, actually the lower 5 bits of this register (the lower 2 bits of address 7DH and the higher
3 bits of address 7EH) are valid.
Figure 5-7. Configuration of General Register Pointer
Address
Name
Symbol
Bit
Data
Power-on
Clock stop
CE
7DH
7EH
General register pointer
(RP)
RPH
RPL
b3
0
b2
0
b1
b0
b3
b2
b1
b0
0
0
0
0
0
0
M
S
B
L
S
B
B
C
D



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