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R5F52108ADFF Datasheet(PDF) 28 Page - Renesas Technology Corp

Part # R5F52108ADFF
Description  50-MHz 32-bit RX MCUs, 78 DMIPS, up to 512-KB flash memory, 12-bit AD, 10-bit DA
PDF  92 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R5F52108ADFF Datasheet(HTML) 28 Page - Renesas Technology Corp

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R01DS0041EJ0050 Rev.0.50
Page 28 of 90
Apr 15, 2011
RX210 Group
2. CPU
Under development Preliminary document
Specifications in this document are tentative and subject to change.
2.2
Register Set of the CPU
The RX CPU has sixteen general-purpose registers, eight control registers, and one accumulator used for DSP
instructions.
Figure 2.1
Register Set of the CPU
Note 1. The stack pointer (SP) can be the interrupt stack pointer (ISP) or user stack pointer (USP), according
to the value of the U bit in the PSW register.
USP
(User stack pointer)
ISP
(Interrupt stack pointer)
INTB
(Interrupt table register)
PC
(Program counter)
PSW
(Processor status word)
BPC
(Backup PC)
BPSW
(Backup PSW)
FINTV
(Fast interrupt vector register)
R15
R14
R13
R12
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
R0 (SP) *1
General-purpose register
Control register
b31
b0
b31
b0
DSP instruction register
b63
b0
ACC (Accumulator)



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