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型號：	M32185F4VFP
元件分類：	微控制器/微處理器
英文描述：	32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝：	20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)：	345/1032頁
文件大?。?/td>	5750K
代理商：	M32185F4VFP

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

2.3 Control Registers

There are 6 control registers which are the Processor Status Word Register (PSW), the Condition Bit Regis-

ter (CBR), the Interrupt Stack Pointer (SPI), the User Stack Pointer (SPU), the Backup PC (BPC) and the

Floating-point Status Register (FPSR).

The dedicated MVTC and MVFC instructions are used for writing and reading these control registers.

In addition, the SM bit, IE bit and C bit of the PSW can also be set by the SETPSW or CLRPSW instruction.

Figure 2.3.1 Control Registers

2.1 CPU Registers

The M32R-FPU has 16 general-purpose registers, 6 control registers, an accumulator and a program

counter. The accumulator is of 56-bit configuration, and all other registers are of 32-bit configuration.

2.2 General-purpose Registers

The 16 general-purpose registers (R0–R15) are of 32-bit width and are used to retain data and base address, as

well as for integer calculations, floating-point operations, etc. R14 is used as the link register and R15 as the

stack pointer. The link register is used to store the return address when executing a subroutine call instruction.

The Interrupt Stack Pointer (SPI) and the User Stack Pointer (SPU) are alternately represented by R15 depend-

ing on the value of the Stack Mode (SM) bit in the Processor Status Word Register (PSW).

Upon exiting the reset state, the value of the general-purpose registers is undefined.

Figure 2.2.1 General-purpose Registers

R14 (Link register)

R15 (Stack pointer) (Note 1)

Note 1: The stack pointer functions as either the SPI or the SPU depending on

the value of the SM bit in the PSW.

Processor Status Word Register

Condition Bit Register

Interrupt Stack Pointer

User Stack Pointer

Notes: CRn (n = 0-3, 6 and 7) denotes the control register number.

The dedicated MVTC and MVFC instructions are used for writing and reading these control registers.

The SM bit, IE bit and C bit of the PSW can also be set by the SETPSW or CLRPSW instruction.

Floating-point Status Register

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
M32186F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M3219	功能描述:電纜固定件和配件 LTCG PG-16 BLACK With 3173 NUT RoHS:否制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強(qiáng)度:
M32192F8TFP#U0	制造商:Renesas Electronics Corporation 功能描述:MCU 32-bit M32R RISC 1024KB Flash 3.3V/5V 144-Pin LQFP
M32192F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M321-SERIES	制造商:未知廠家制造商全稱:未知廠家功能描述:Peripheral IC

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