BC68FB540 Datasheet, PDF (157/200 Pages) Holtek Semiconductor Inc – I/O Flash USB 8-Bit MCU with 2.4GHz RF Transceiver

BC68FB540
I/O Flash USB 8-Bit MCU with 2.4GHz RF Transceiver
UFC0 Register
Bit
7
6
5
4
3
2
1
0
Name E3FS1 E3FS0 E2FS1 E2FS0 E1FS1 E1FS0
—
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
POR
0
0
0
0
0
0
—
—
Bit 7~6
Bit 5~4
Bit 3~2
Bit 1~0
E3FS1~E3FS0: USB endpoint 3 FIFO size selection
00: 8 bytes
01: 16 bytes
10: 32 bytes
11: 64 bytes
E2FS1~E2FS0: USB endpoint 2 FIFO size selection
00: 8 bytes
01: 16 bytes
10: 32 bytes
11: 64 bytes
E1FS1~E1FS0: USB endpoint 1 FIFO size selection
00: 8 bytes
01: 16 bytes
10: 32 bytes
11: 64 bytes
Unimplemented, read as “0”
USB Endpoint FIFO Accessing Registers
Register
Bit
Name
7
6
5
4
3
2
1
0
FIFO0
D7
D6
D5
D4
D3
D2
D1
D0
FIFO1
D7
D6
D5
D4
D3
D2
D1
D0
FIFO2
D7
D6
D5
D4
D3
D2
D1
D0
FIFO3
D7
D6
D5
D4
D3
D2
D1
D0
Endpoint FIFO Registers List
Rev. 1.10
157
December 22, 2014