HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 104
HD64F3437TFI16V
Manufacturer Part Number
HD64F3437TFI16V
Description
MCU FLASH 60K 100-TQFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F3437TFI16V.pdf
(755 pages)
Specifications of HD64F3437TFI16V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Keyboard Matrix Interrupt Mask Register (KMIMR)
To control interrupts from a 16
there are two keyboard matrix interrupt mask registers, KMIMR and KMIMRA. Bits KMIMR7 to
KMIMR0 in KMIMR correspond to key-sense inputs KEYIN
KMIMR8 in KMIMRA correspond to key-sense inputs KEYIN
KMIMR6 bit that corresponds to the IRQ
other interrupt mask bits are in the interrupt-disabled state.
KMIMR is an 8-bit readable/writable register used in keyboard matrix scanning and sensing. This
register initializes to a state in which only the input at the IRQ
sense input interrupts from two or more pins during keyboard scanning and sensing, clear the
corresponding mask bits to 0.
Bits 7 to 0—Keyboard Matrix Interrupt Mask (KMIMR7 to KMIMR0): These bits control
key-sense input interrupt requests KEYIN
Bits 7 to 0:
KMIMR7 to KMIMR0
0
1
Note: * Except KMIMR6, which is initially 0.
Bits 7 to 0—Keyboard Matrix Interrupt Mask (KMIMR15 to KMIMR8): These bits control
key-sense input interrupt requests KEYIN15 to KEYIN8.
Bits 7 to 0:
KMIMR15 to KMIMR8
0
1
72
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
KMIMR15 KMIMR14 KMIMR13 KMIMR12 KMIMR11 KMIMR10
KMIMR7 KMIMR6 KMIMR5 KMIMR4 KMIMR3 KMIMR2 KMIMR1 KMIMR0
R/W
R/W
7
1
7
1
Description
Key-sense input interrupt request is enabled.
Key-sense input interrupt request is disabled.
Description
Key-sense input interrupt request is enabled.
Key-sense input interrupt request is disabled.
R/W
R/W
6
0
6
1
16 matrix keyboard at key-sense input pins KEYIN
R/W
R/W
5
1
5
1
6
7
/KEYIN
to KEYIN
R/W
R/W
6
4
1
4
1
pin is in the interrupt-enabled state, and the
0
.
R/W
R/W
7
6
3
1
3
1
to KEYIN
15
pin is enabled. To enable key-
to KEYIN
R/W
R/W
2
1
2
1
0
. Bits KMIMR15 to
8
. Initially, the
KMIMR9
R/W
R/W
1
1
1
1
0
(Initial value)*
(Initial value)
to KEYIN
KMIMR8
R/W
R/W
0
1
0
1
15
,
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