3850 datasheet(56/261 Pages) RENESAS

56 / 261 page

3850/3851 Group User’s Manual

HARDWARE

1-41

Fig. 46 Internal status at reset

Port P0 direction register (P0D)

Port P1 direction register (P1D)

Port P2 direction register (P2D)

Port P3 direction register (P3D)

Port P4 direction register (P4D)

Serial I/O status register (SIOSTS)

Serial I/O control register (SIOCON)

UART control register (UARTCON)

PWM control register (PWMCON)

Prescaler 12 (PRE12)

Timer 1 (T1)

Timer 2 (T2)

Timer XY mode register (TM)

Prescaler X (PREX)

Timer X (TX)

Prescaler Y (PREY)

Timer Y (TY)

Timer count source select register

I2C address register (S0D)

I2C status register (S1)

I2C control register (S1D)

I2C clock control register (S2)

I2C start/stop condition control register (S2D)

AD control register (ADCON)

MISRG

Watchdog timer control register (WDTCON)

Interrupt edge selection register (INTEDGE)

CPU mode register (CPUM)

Interrupt request register 1 (IREQ1)

Interrupt request register 2 (IREQ2)

Interrupt control register 1 (ICON1)

Interrupt control register 2 (ICON2)

Processor status register

Program counter

(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)

Note : X indicates Not fixed .

Address Register contents

000116

000316

000516

000716

000916

001916

001A16

001B16

001D16

002016

002116

002216

002316

002416

002516

002616

002716

002816

002C16

002D16

002E16

002F16

003016

003416

003816

003916

003A16

003B16

003C16

003D16

003E16

003F16

(PS)

(PCH)

(PCL)

0016

FF16

0116

0016

FF16

0016

00 0 1 0 0 0 X

0 0 0 X XX XX

100 000 00

11 100 000

01 0 0 1 0

00 0 1 00 00

00 1 1 11 11

FFFD16 contents

FFFC16 contents

FUNCTIONAL DESCRIPTION

3850 Datasheet(PDF) 56 Page - Renesas Technology Corp

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