HD6433935 Hitachi, HD6433935 Datasheet - Page 77
HD6433935
Manufacturer Part Number
HD6433935
Description
8-Bit MICROCONTROLLER
Manufacturer
Hitachi
Datasheet
1.HD6433935.pdf
(521 pages)
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2. Interrupt enable register 1 (IENR1)
IENR1 is an 8-bit read/write register that enables or disables interrupt requests.
Bit 7: Timer A interrupt enable (IENTA)
Bit 7 enables or disables timer A overflow interrupt requests.
Bit 7
IENTA
0
1
Bit 6: SCI1 interrupt enable (IENS1)
Bit 6 enables or disables SCI1 transfer complete interrupt requests.
Bit 6
IENS1
0
1
Note: SCI1 is an internal function that performs interfacing to the FLEX™ decoder incorporated in
Bit 5: Wakeup interrupt enable (IENWP)
Bit 5 enables or disables WKP
Bit 5
IENWP
0
1
Bit
Initial value
Read/Write
the chip.
Description
Disables timer A interrupt requests
Enables timer A interrupt requests
Description
Disables SCI1 interrupt requests
Enables SCI1 interrupt requests
Description
Disables WKP
Enables WKP
IENTA
R/W
7
0
7
IENS1
7
R/W
to WKP
7
to WKP
6
0
to WKP
0
IENWP
0
interrupt requests
R/W
interrupt requests
0
5
0
interrupt requests.
IEN4
R/W
4
0
IEN3
R/W
3
0
IEN2
R/W
2
0
IEN1
R/W
1
0
(initial value)
(initial value)
(initial value)
IEN0
R/W
0
0
65
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