Datasheet

ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller QFP 80 (14x14) 16-Bit 20 MHz I/O number 58

Appendix B Internal I/O Registers

Rev. 4.00 Jun 06, 2006 page 919 of 1004

REJ09B0301-0400

ICDR1—I

2

C Bus Data Register 1 H'FF8E IIC1

ICDR0—I

2

C Bus Data Register 0

H'FFDE IIC0

7

ICDR7

—

R/W

6

ICDR6

—

R/W

5

ICDR5

—

R/W

4

ICDR4

—

R/W

3

ICDR3

—

R/W

0

ICDR0

—

R/W

2

ICDR2

—

R/W

1

ICDR1

—

R/W

Bit

Initial value

Read/Write

7

ICDRR7

—

R

6

ICDRR6

—

R

5

ICDRR5

—

R

4

ICDRR4

—

R

3

ICDRR3

—

R

0

ICDRR0

—

R

2

ICDRR2

—

R

1

ICDRR1

—

R

Bit

Initial value

Read/Write

ICDRR

ICDRS

7

ICDRS7

—

—

6

ICDRS6

—

—

5

ICDRS5

—

—

4

ICDRS4

—

—

3

ICDRS3

—

—

0

ICDRS0

—

—

2

ICDRS2

—

—

1

ICDRS1

—

—

Bit

Initial value

Read/Write

ICDRT

7

ICDRT7

—

W

6

ICDRT6

—

W

5

ICDRT5

—

W

4

ICDRT4

—

W

3

ICDRT3

—

W

0

ICDRT0

—

W

2

ICDRT2

—

W

1

ICDRT1

—

W

Bit

Initial value

Read/Write

TDRE, RDRF (internal flags)

—

RDRF

0

—

—

TDRE

0

—

Bit

Initial value

Read/Write

Note: For details, see section 16.2.1, I

2

C Bus Data Register (ICDR).