Renesas PROM Programming Adapter PCA7435FPG02 Dokumentacja Pobierz pdf (Strona 25)

7534 Group

Rev.3.00 Oct 23, 2006 page 25 of 53

REJ03B0099-0300

Fig. 28 Structure of serial I/O1-related registers (2)

Not used (return “1” when read)

Endpoint 1 enable

0: Endpoint 1 invalid

1: Endpoint 1 valid

USB reset interrupt enable

0: USB reset invalid

1: USB reset valid

Resume interrupt enable

0: Resume invalid

1: Resume valid

Token interrupt enable

0: Token invalid

1: Token valid

USB enable flag

0: USB invalid

1: USB valid

b7 b0

CPU read: Enabled

CPU write: Clear

Hardware read: Not used

Hardware write: Set

USB data toggle synchronization register

(TRSYNC: address 001D

)

Not used (return “1” when read)

Sequence bit toggle flag

0: No toggle

1: Sequence toggle

b7 b0

CPU read: Enabled

CPU write: Disabled

Hardware read: Not used

Hardware write: Set/Clear

USB interrupt source discrimination register 1

(USBIR1: address 001E

)

Not used (return “1” when read)

Endpoint determination flag

0: Endpoint 0 interrupt

1: Endpoint 1 interrupt

b7 b0

CPU read: Enabled

CPU write: Clear

Hardware read: Not used

Hardware write: Set

USB interrupt source discrimination register 2

(USBIR2: address 001F

)

Not used (return “1” when read)

Suspend request flag

0: No request

1: Suspend request

USB reset request flag

0: No request

1: Reset request

Not used (return “1” when read)

Token PID determination flag

0: SETUP interrupt

1: OUT interrupt

Token interrupt flag

0: No request

1: Token request

CPU read: Enabled

CPU write: Disabled

Hardware read: Not used

Hardware write: Set/Clear

CPU read: Enabled

CPU write: Disabled

Hardware read: Not used

Hardware write: Set/Clear

USB interrupt control register

(USBICON: address 0020

)

CPU read: Enabled

CPU write: Set/Clear

Hardware read: Used

Hardware write: Not used

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