tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 80

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

4.2 Control
4. External Interrupt control circuit
RA000
External interrupt control register 4
EINTCR4
(0x0FDB)
Note 1: fcgck: Gear clock [Hz], fs: Low-frequency clock [Hz]
Note 2: Interrupt requests may be generated during transition of the operation mode. Before changing the operation mode, clear
Note 3: Interrupt requests may be generated when EINTCR3 is changed. Before doing such operation, clear the corresponding
Note 4: Bits 7 to 5 of EINTCR3 are read as "0".
Note 1: fcgck: Gear clock [Hz], fs: Low-frequency clock [Hz]
Note 2: Interrupt requests may be generated during transition of the operation mode. Before changing the operation mode, clear
Note 3: Interrupt requests may be generated when EINTCR4 is changed. Before doing such operation, clear the corresponding
the corresponding interrupt enable register to "0" to disable the generation of interrupt. When the operation mode is
changed from NORMAL1/2 or IDLE1/2 to SLOW1/2 or SLEEP1, wait 12/fs [s] after the operation mode is changed and
clear the interrupt latch. And when the operation mode is changed from SLOW1/2 or SLEEP1 to NORMAL1/2 or IDLE1/2,
wait 2/fcgck+3/fspl [s] after the operation mode is changed and clear the interrupt latch.
interrupt enable register to "0" to disable the generation of interrupt. When the operation mode is changed from
NORMAL1/2 or IDLE1/2 to SLOW1/2 or SLEEP1, wait 12/fs [s] after the operation mode is changed and clear the inter-
rupt latch. And when the operation mode is changed from SLOW1/2 or SLEEP1 to NORMAL1/2 or IDLE1/2, wait 2/
fcgck+3/fspl [s] after the operation mode is changed and clear the interrupt latch.
the corresponding interrupt enable register to "0" to disable the generation of interrupt. When the operation mode is
changed from NORMAL1/2 or IDLE1/2 to SLOW1/2 or SLEEP1, wait 12/fs [s] after the operation mode is changed and
clear the interrupt latch. And when the operation mode is changed from SLOW1/2 or SLEEP1 to NORMAL1/2 or IDLE1/2,
wait 2/fcgck+3/fspl [s] after the operation mode is changed and clear the interrupt latch.
interrupt enable register to "0" to disable the generation of interrupt. When the operation mode is changed from
NORMAL1/2 or IDLE1/2 to SLOW1/2 or SLEEP1, wait 12/fs [s] after the operation mode is changed and clear the inter-
rupt latch. And when the operation mode is changed from SLOW1/2 or SLEEP1 to NORMAL1/2 or IDLE1/2, wait 2/
fcgck+3/fspl [s] after the operation mode is changed and clear the interrupt latch.
INI3LVL
INT3ES
INT3NC
INI4LVL
INT4ES
INT4NC
Read/Write
Bit Symbol
After reset
Noise canceller pass signal level
when the interrupt request signal is
generated for external interrupt 3
Selects the interrupt request gener-
ating condition for external interrupt
3
Sets the noise canceller sampling
interval for external interrupt 3
Noise canceller pass signal level
when the interrupt request signal is
generated for external interrupt 4
Selects the interrupt request gener-
ating condition for external interrupt
4
Sets the noise canceller sampling
interval for external interrupt 4
R
7
0
-
R
6
0
-
R
5
0
00 :
01 :
10 :
00 :
01 :
10 :
00 :
01 :
10 :
00 :
01 :
10 :
11 :
11 :
-
11 :
11 :
Page 66
0 :
1 :
0 :
1 :
Initial state or signal level "L"
Signal level "H"
An interrupt request is generated at the rising edge of the noise canceller
pass signal
An interrupt request is generated at the falling edge of the noise canceller
pass signal
An interrupt request is generated at both edges of the noise canceller
pass signal
Reserved
fcgck [Hz]
fcgck / 2
fcgck / 2
fcgck / 2
Initial state or signal level "L"
Signal level "H"
An interrupt request is generated at the rising edge of the noise canceller
pass signal
An interrupt request is generated at the falling edge of the noise canceller
pass signal
An interrupt request is generated at both edges of the noise canceller
pass signal
An interrupt request is generated at "H" of the noise canceller pass signal
fcgck [Hz]
fcgck / 2
fcgck / 2
fcgck / 2
INT4LVL
NORMAL1/2, IDLE1/2
NORMAL1/2, IDLE1/2
R
4
0
2
3
4
2
3
4
[Hz]
[Hz]
[Hz]
[Hz]
[Hz]
[Hz]
3
INT4ES
R/W
0
00 :
01 :
10 :
00 :
01 :
10 :
11 :
11 :
2
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
fs/4 [Hz]
SLOW1/2, SLEEP1
SLOW1/2, SLEEP1
1
INT4NC
R/W
0
TMP89FM42
0