38K0 Datasheet, PDF (45/133 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K0 Group
b7
b0
0
EP02 byte number register 0 (EP02BYT0) [address 001E16]
Bit symbol
Bit name
B0BYT02
[6:0]
IN : Transmit byte number bit
OUT : Receive byte number bit
b7
Not used
Function
At reset _{R W}
H/W S/W
Single buffer mode: Set the transmitting byte number. ^{0 –} O O
Double buffer mode : Set the transmitting byte number
of buffer 0.
Single buffer mode: The received byte number is ^{0 –} O ✕
automatically set.
Double buffer mode : The received byte number of buffer 0
is automatically set.
Write “0” when writing.
– – OO
“0” is read when reading.
–: State remaining
Fig. 60 Structure of EP02 byte number register 0
b7
b0
0
EP02 byte number register 1 (EP02BYT1) [address 001F16]
Bit symbol
Bit name
B1BYT02
[6:0]
IN : Transmit byte number bit
OUT : Receive byte number bit
b7
Not used
Function
At reset _{R W}
H/W S/W
Single buffer mode: These bits are invalid.
0 – OO
Double buffer mode : Set the transmitting byte number
of buffer 1.
Single buffer mode: These bits are invalid.
0 – O✕
Double buffer mode : The received byte number of buffer 1
is automatically set.
Write “0” when writing.
– – OO
“0” is read when reading.
–: State remaining
Fig. 61 Structure of EP02 byte number register 1
b7
b0
0
EP02 MAX. packet size register (EP02MAX) [address 0FEC16]
Bit symbol
Bit name
MXPS02
[6:0]
b7
Max. packet size bit
Not used
Function
IN : These bits are invalid.
OUT : Set the maximum packet size.
Write “0” when writing.
“0” is read when reading.
Fig. 62 Structure of EP02 MAX. packet size register
At reset
RW
H/W S/W
0 – _OO
– – _OO
–: State remaining
Rev.3.00 Oct 05, 2006 page 45 of 129
REJ03B0192-0300