7641 datasheet(87/385 Pages) RENESAS

87 / 385 page

Rev.2.00

Aug 28, 2006

page 70 of 113

7641 Group

REJ09B0336-0200

HARDWARE

FUNCTIONAL DESCRIPTION

X : Not fixed

Notes 1: When using the endpoint 1, this contents are “0116”.

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

(21)

(22)

(23)

(24)

(25)

(26)

(27)

(28)

(29)

(30)

(31)

(32)

(33)

(34)

(35)

(36)

(37)

(38)

(39)

(40)

(41)

(42)

(43)

(44)

(45)

(46)

(47)

(48)

(49)

(50)

(51)

(52)

(53)

(54)

(55)

(56)

(57)

(58)

(59)

(60)

(61)

(62)

(63)

(64)

(65)

(66)

(67)

(68)

(69)

(70)

(71)

(72)

(73)

(74)

(75)

(76)

(77)

(78)

(79)

(80)

(81)

(82)

(83)

(84)

(85)

(86)

(87)

(88)

(89)

(90)

(91)

(92)

(93)

003216

003316

003616

003816

003A16

003B16

003E16

003F16

004016

004116

004216

004316

004416

004516

004616

004716

004816

004916

004A16

004C16

004D16

004E16

005016

005116

005216

005316

005416

005516

005616

005716

005816

005916

005A16

005B16

005C16

005D16

005E16

005F16

006A16

006C16

006D16

006E16

006F16

FFC916

(PS)

(PCH)

(PCL)

Address

0016

FF16

0016

FF16

Address Register contents

0016

FF16

0016

FF16

0016

FFFB16 contents

FFFA16 contents

CPU mode register A (CPUA)

CPU mode register B (CPUB)

Interrupt request register A (IREQA)

Interrupt request register B (IREQB)

Interrupt request register C (IREQC)

Interrupt control register A (ICONA)

Interrupt control register B (ICONB)

Interrupt control register C (ICONC)

Port P0 (P0)

Port P0 direction register (P0D)

Port P1 (P1)

Port P1 direction register (P1D)

Port P2 (P2)

Port P2 direction register (P2D)

Port P3 (P3)

Port P3 direction register (P3D)

Port control register (PTC)

Interrupt polarity select register (IPOL)

Port P2 pull-up control register (PUP2)

USB control register (USBC)

Port P6 (P6)

Port P6 direction register (P6D)

Port P5 (P5)

Port P5 direction register (P5D)

Port P4 (P4)

Port P4 direction register (P4D)

Port P7 (P7)

Port P7 direction register (P7D)

Port P8 (P8)

Port P8 direction register (P8D)

Clock control register (CCR)

Timer XL (TXL)

Timer XH (TXH)

Timer YL (TYL)

Timer YH (TYH)

Timer 1 (T1)

Timer 2 (T2)

Timer 3 (T3)

Timer X mode register (TXM)

Timer Y mode register (TYM)

Timer 123 mode register (T123M)

Serial I/O control register 1 (SIOCON1)

Serial I/O control register 2 (SIOCON2)

Special count source generator 1 (SCSG1)

Special count source generator 2 (SCSG2)

Special count source mode register (SCSGM)

UART1 mode register (U1MOD)

000016

000116

000216

000316

000416

000516

000616

000716

000816

000916

000A16

000B16

000C16

000D16

000E16

000F16

001016

001116

001216

001316

001416

001516

001616

001716

001816

001916

001A16

001B16

001C16

001D16

001F16

002016

002116

002216

002316

002416

002516

002616

002716

002816

002916

002B16

002C16

002D16

002E16

002F16

003016

0 00 0 0

UART1 status register (U1STS)

UART1 control register (U1CON)

UART1 RTS control register (U1RTSC)

UART2 mode register (U2MOD)

UART2 status register (U2STS)

UART2 control register (U2CON)

UART2 RTS control register (U2RTSC)

DMAC index and status register (DMAIS)

DMAC channel x mode register 1 (DMAx1)

DMAC channel x mode register 2 (DMAx2)

DMAC channel x source register Low (DMAxSL)

DMAC channel x source register High (DMAxSH)

DMAC channel x destination register Low (DMAxDL)

DMAC channel x destination register

High (DMAxDH)

DMAC channel x transfer count register Low (DMAxCL)

DMAC channel x transfer count register High (DMAxCH)

Data bus buffer register 0 (DBB0)

Data bus buffer status register 0 (DBBS0)

Data bus buffer control register 0 (DBBC0)

Data bus buffer register 1 (DBB1)

Data bus buffer status register 1 (DBBS1)

Data bus buffer control register 1 (DBBC1)

USB address register (USBA)

USB power management register (USBPM)

USB interrupt status register 1 (USBIS1)

USB interrupt status register 2 (USBIS2)

USB interrupt enable register 1 (USBIE1)

USB interrupt enable register 2 (USBIE2)

USB frame number register Low (USBSOFL)

USB frame number register High (USBSOFH)

USB endpoint index register (USBINDEX)

USB endpoint x IN control register (IN_CSR)

USB endpoint x OUT control register (OUT_CSR)

USB endpoint x IN max. packet size register (IN_MAXP)

USB endpoint x OUT max. packet size register (OUT_MAXP)

USB endpoint x OUT write count register Low (WRT_CNTL)

USB endpoint x OUT write count register High (WRT_CNTH)

USB endpoint FIFO mode register (USBFIFOMR)

Flash memory control register (FMCR)

Frequency synthesizer control register (FSC)

Frequency synthesizer multiply register 1 (FSM1)

Frequency synthesizer multiply register 2 (FSM2)

Frequency synthesizer divide register (FSM2)

ROM code protect control register (ROMCP)

Processor status register

Program counter

0 0

1 1

0 0

10 00 0 0 00

0 00 0 0

10 00 0 0 00

0 11 0 0

1 0

0 00 0 0

0 0 0

✕✕ ✕✕ ✕

✕ ✕

0 0

0 1

(Note 1)

(Note 3)

3: The flash memory control register and the ROM code protect control register exists in the flash memory version only.

2: Since the initial values for other than above mentioned registers and RAM contents are indefinite at reset, they must be set.

Fig. 63 Internal status at reset

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