tmp89fm42l TOSHIBA Semiconductor CORPORATION, tmp89fm42l Datasheet - Page 68
tmp89fm42l
Manufacturer Part Number
tmp89fm42l
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89FM42L.pdf
(428 pages)
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3.3
Interrupt Enable Register (EIR)
RA003
Interrupt latch (ILL)
Interrupt latch (ILH)
Interrupt latch (ILE)
Interrupt latch (ILD)
(0x0FE0)
(0x0FE1)
(0x0FE2)
(0x0FE3)
ILH
ILD
ILL
ILE
Note 1: IL3 is a read-only register. Writing the register does not affect interrupt latch.
Note 2: In the main program, before manipulating an interrupt latch (IL), be sure to clear the interrupt master enable flag (IMF) to
Note 3: Do not clear IL with read-modify-write instructions such as bit operations.
Note 4: When a read instruction is executed on ILL, bits 0 to 2 are read as "0". Other unused bits are read as "0".
IL25 to IL4
Read/Write
Read/Write
Read/Write
Read/Write
Bit Symbol
Bit Symbol
Bit Symbol
Bit Symbol
After reset
After reset
After reset
After reset
"0" (Disable interrupt by DI instruction). Then set the IMF to "1" as required after operating the IL (Enable interrupt by EI
instruction).
In the interrupt service routine, the IMF becomes "0" automatically and need not be cleared to "0" normally. However, if
using multiple interrupt in the interrupt service routine, manipulate the IL before setting the IMF to "1".
Function
Function
Function
Function
IL3
Interrupt latch
INTSBI0/IN-
INTTXD0
INTTXD1
TSIO0
IL15
IL23
R/W
R/W
R/W
IL7
R
7
0
7
0
7
0
7
0
-
INTRXD0 /
INTRXD1
INTTCA0
INTSIO0
R/W
IL14
R/W
IL22
R/W
IL6
R
6
0
6
0
6
0
6
0
-
INTTCA1
INTTC01
INTTBT
R/W
IL13
R/W
IL21
R/W
IL5
R
5
0
5
0
5
0
5
0
-
Page 54
0:
1:
0:
1:
No interrupt request
Interrupt request
No interrupt request
Interrupt request
INTTC00
INTWUC
INT4
R/W
IL12
R/W
IL20
R/W
IL4
R
4
0
4
0
4
0
4
0
-
Read
INTWDT
INTRTC
INT3
IL11
R/W
IL19
R/W
IL3
R
R
3
0
3
0
3
0
3
0
-
INTADC
INT2
IL10
R/W
IL18
R/W
R
R
2
0
2
0
2
0
2
0
-
-
Clears the interrupt request
(Notes 2 and 3)
Does not clear the interrupt re-
quest
(Interrupt is not set by writing "1".)
INTVLTD
INTTC03
INT1
R/W
IL17
R/W
IL25
R/W
IL9
R
1
0
1
0
1
0
1
0
-
TMP89FM42L
Write
-
INTTC02
INT5
INT0
R/W
IL16
R/W
IL24
R/W
IL8
R
0
0
0
0
0
0
0
0
-
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