38K2 datasheet(316/358 Pages) RENESAS

316 / 358 page

3.4 List of registers

Rev.2.00

Oct 15, 2006

page 55 of 99

38K2 Group

REJ09B0338-0200

APPENDIX

Fig. 3.4.43 Structure of EP02 byte number register 0

B0BYT02

[6:0]

–

EP02 byte number register 0 (EP02BYT0) [address 001E16]

Bit name

Bit symbol

At reset

Function

H/W

S/W

IN : Transmit byte number bit

OUT : Receive byte number bit

Not used

–: State remaining

Single buffer mode: Set the transmitting byte number.

Double buffer mode : Set the transmitting byte number

of buffer 0.

Single buffer mode: The received byte number is

automatically set.

Double buffer mode : The received byte number of buffer 0

is automatically set.

Write “0” when writing.

“0” is read when reading.

Fig. 3.4.41 Structure of EP00 byte number register

Fig. 3.4.42 Structure of EP01 byte number register 0

B0BYT01

[6:0]

–

EP01 byte number register 0 (EP01BYT0) [address 001E16]

Bit name

Bit symbol

At reset

Function

H/W

S/W

IN : Transmit byte number bit

OUT : Receive byte number bit

Not used

–: State remaining

Single buffer mode: Set the transmitting byte number.

Double buffer mode : Set the transmitting byte number

of buffer 0.

Single buffer mode : The received byte number is

automatically set.

Double buffer mode : The received byte number of buffer 0

is automatically set.

Write “0” when writing.

“0” is read when reading.

BBYT00

[3:0]

b7:b4

—

EP00 byte number register (EP00BYT) [address 001E16]

OUT : The received byte number is automatically set.

IN : Set the transmitting byte number.

Write 0 when writing.

0 is read when reading.

Bit name

Bit symbol

At reset

Function

H/W

S/W

Transmit/receive byte number bit

Not used

—: State remaining

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