r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1217
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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Part Number:
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Manufacturer:
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24.3.6
The INTSTR registers enable or disable MMCIF interrupts FSTAT, TRAN, ERR and FRDY, and
interrupt flags.
(1)
Bit
7
6
INTSTR0
Bit Name
FEI
FFI
Interrupt Status Registers 0 to 2 (INTSTR0 to INTSTR2)
Initial value:
Initial
Value
0
0
R/W:
Bit:
R/W
FEI
R/W
R/W
R/W
7
0
R/W
FFI
6
0
Description
FIFO Empty Interrupt Flag
0: No interrupt
[Clearing condition]
Write 0 after reading FEI = 1.
(Writing 1 is invalid)
1: Interrupt requested
[Setting condition]
When FIFO becomes empty while FEIE = 1
and data is being transmitted
(when the FIFO_EMPTY bit in CSTR is set)
FIFO Full Interrupt Flag
0: No interrupt
[Clearing condition]
Write 0 after reading FFI = 1.
(Writing 1 is invalid)
1: Interrupt requested
[Setting condition]
When FIFO becomes full while FFIE = 1
and data is being received
(when the FIFO_FULL bit in CSTR is set)
DRPI
R/W
5
0
DTI
R/W
4
0
CRPI CMDI DBSYI
R/W
3
0
Rev.1.00 Jan. 10, 2008 Page 1187 of 1658
R/W
2
0
24. Multimedia Card Interface (MMCIF)
R/W
1
0
R/W
BTI
0
0
REJ09B0261-0100
Interrupt
output
FSTAT
FSTAT
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