C541U Datasheet, PDF (25/63 Pages) Siemens Semiconductor Group – 8 BIT CMOS MICROCONTROLLER

C541U
Table 4
Contents of the USB Device and Endpoint Registers (Addr. C1H to C7H) (cont’d)
Addr Register Reset Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value
EPSEL = 0XXX.X010B Endpoint 2 Registers
C1H EPBC2 00H STALL2 0
0
C2H EPBS2 20H UBF2 CBF2 DIR2
C3H EPIE2 00H AIE2 NAIE2 RLEIE2
C4H EPIR2 10H ACK2 NACK2 RLE2
C5H EPBA2 00H PAGE2 0
0
C6H EPLEN2 0XXX. 0
XXXXB
L62
L52
C7H reserved
EPSEL = 0XXX.X011B Endpoint 3 Registers
C1H EPBC3 00H STALL3 0
0
C2H EPBS3 20H UBF3 CBF3 DIR3
C3H EPIE3 00H AIE3 NAIE3 RLEIE3
C4H EPIR3 10H ACK3 NACK3 RLE3
C5H EPBA3 00H PAGE3 0
0
C6H EPLEN3 0XXX. 0
XXXXB
L63
L53
C7H reserved
EPSEL = 0XXX.X100B Endpoint 4 Registers
C1H EPBC4 00H STALL4 0
0
C2H EPBS4 20H UBF4 CBF4 DIR4
C3H EPIE4 00H AIE4 NAIE4 RLEIE4
C4H EPIR4 10H ACK4 NACK4 RLE4
C5H EPBA4 00H PAGE4 0
0
C6H EPLEN4 0XXX. 0
XXXXB
L64
L54
C7H reserved
GEPIE2
ESP2
–
–
0
L42
GEPIE3
ESP3
–
–
0
L43
GEPIE4
ESP4
–
–4
0
L44
SOFDE2 INCE2 0
DBM2
SETRD2 SETWR2 CLREP2 DONE2
DNRIE2 NODIE2 EODIE2 SODIE2
DNR2 NOD2 EOD2 SOD2
A62
A52
A42
A32
L32
L22
L12
L02
SOFDE3 INCE3 0
DBM3
SETRD3 SETWR3 CLREP3 DONE3
DNRIE3 NODIE3 EODIE3 SODIE3
DNR3 NOD3 EOD3 SOD3
A63
A52
A43
A33
L33
L23
L13
L03
SOFDE4 INCE4 0
DBM4
SETRD4 SETWR4 CLREP4 DONE4
DNRIE4 NODIE4 EODIE4 SODIE4
DNR4 NOD4 EOD4 SOD4
A64
A54
A44
A34
L34
L24
L14
L04
Semiconductor Group
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