38K2 Datasheet, PDF (54/151 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K2 Group
b7
0 00 0
b0
EP10 byte number register (EP10BYT) [address 001E16]
Bit symbol
Bit name
Function
BBYT10
[3:0]
b7:b4
Transmit/receive byte number bit OUT : The received byte number is automatically set.
IN : Set the transmitting byte number.
Not used
Write 0 when writing.
0 is read when reading.
At reset _{R W}
H/W S/W
0 — OO
— — OO
—: State remaining
Fig. 79 Structure of EP10 byte number register
b7
0 00
b0
EP10 buffer area set register (EP10BUF) [address 0FED16]
Bit symbol
Bit name
BADD10
[4:0]
EP10 beginning address set bit
b7:b5
Not used
Function
Set the beginning address of EP10’s buffer area.
(32-byte unit)
b4b3b2b1b0
0 0 0 1 0 : 004016
0 0 0 1 1 : 006016
..............
1 1 1 1 0 : 03C016
1 1 1 1 1 : 03E016
Write “0” when writing.
“0” is read when reading.
At reset _{R W}
H/W S/W
0 – OO
– – OO
–: State remaining
Fig. 80 Structure of EP10 buffer area set register
Rev.3.00 Oct 15, 2006 page 54 of 147
REJ03B0193-0300