upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 306
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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(21) UF0 INT clear 0 register (UF0IC0)
UF0IC0
Bit position
This register controls clearing the interrupt sources indicated by the UF0IS0 register.
This register is write-only, in 8-bit units. If this register is read, the value FFH is read.
FW can clear an interrupt source by writing 0 to the corresponding bit of this register. Even a bit that is
automatically cleared to 0 by hardware can be cleared by FW before it is cleared by hardware. Writing 0 to a
bit of this register automatically sets the bit to 1. Writing 1 is invalid.
7
6
2
1
0
RSTC
BUS
7
BUSRSTC
RSUSPDC
SETRQC
CLRRQC
EPHALTC
Bit name
SPDC
RSU
6
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
This bit clears the Bus Reset interrupt.
This bit clears the Resume/Suspend interrupt.
This bit clears the SET_RQ interrupt.
This bit clears the CLR_RQ interrupt.
This bit clears the EP_Halt interrupt.
5
1
0: Clear
0: Clear
0: Clear
0: Clear
0: Clear
Preliminary User’s Manual U19014EJ1V0UD
4
1
3
1
RQC
SET
2
Function
RQC
CLR
1
HALTC
EP
0
Address
FF4AH
After reset
FFH
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