38K2 Datasheet, PDF (56/151 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K2 Group
b7
b0
000 0000
EP11 interrupt source register (EP11REQ) [address 001D16]
Bit symbol
Bit name
B0RDY11 USB HUB/Endpoint 1 buffer 0
ready interrupt bit
b7:b1
Not used
Function
At reset _{R W}
H/W S/W
0: No interrupt request issued
0 0 OO
1: Interrupt request issued
This bit is set to “1” when the buffer is ready state
(enabled to be read/written) on USB HUB/Endpoint 1.
“0” can be set by software, but “1” cannot be set.
Write “0” when writing.
– – OO
“0” is read when reading.
–: State remaining
Fig. 84 Structure of EP11 interrupt source register
b7
b0
0 0 0 0 0 0 0 EP11 byte number register (EP11BYT0) [address 001E16]
Bit symbol
Bit name
B0BYT11 Transmit byte number bit
b7:b1
Not used
Function
IN : Set the transmitting byte number.
Write 0 when writing.
0 is read when reading.
Fig. 85 Structure of EP11 byte number register
At reset _{R W}
H/W S/W
0 — OO
— — OO
—: State remaining
b7
0 00
b0
EP11 buffer area set register (EP11BUF) [address 0FED16]
Bit symbol
Bit name
Function
BADD11
[4:0]
b7:b5
EP11 beginning address set bit
Not used
Set the beginning address of EP11’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. 86 Structure of EP11 buffer area set register
Rev.3.00 Oct 15, 2006 page 56 of 147
REJ03B0193-0300