TMP86xy92DMG Toshiba, TMP86xy92DMG Datasheet - Page 90
TMP86xy92DMG
Manufacturer Part Number
TMP86xy92DMG
Description
Manufacturer
Toshiba
Datasheet
1.TMP86XY92DMG.pdf
(248 pages)
Specifications of TMP86xy92DMG
Package
SSOP30
Rom Types (m=mask,p=otp,f=flash)
M/F
Rom Size
16
Ram Size
512
Driver Led
8
Driver Lcd
-
Spi/sio Channels
1
Uart/sio Channels
2
I2c/sio Channels
1
High-speed Serial Output
-
Adc 8-bit Channels
-
Adc 10-bit Channels
6
Da Converter Channels
-
Timer Counter 18-bit Channel
-
Timer Counter 16-bit Channel
1
Timer Counter 8-bit Channel
2
Motor Channels
-
Watchdog Timer
Y
Dual Clock
Y
Clock Gear
-
Number Of I/o Ports
24
Power Supply (v)
4 to 5.5
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8.3
Address Trap
8.3
Watchdog Timer Control Register 1
8.3.1
8.3.2
8.3.3
Watchdog Timer Control Register 2
WDTCR1
(0034H)
WDTCR2
(0035H)
traps.
Address Trap
The Watchdog Timer Control Register 1 and 2 share the addresses with the control registers to generate address
an instruction in the internal RAM area, clear WDTCR1<ATAS> to “0”. To enable the WDTCR1<ATAS>
setting, set WDTCR1<ATAS> and then write D2H to WDTCR2.
setting in WDTCR1<ATAS>.
WDTCR1<ATOUT>.
be made to fetch an instruction from the on-chip RAM (while WDTCR1<ATAS> is “1”), DBR or the SFR area,
address trap interrupt (INTATRAP) will be generated.
flag (IMF).
already accepted, the new address trap is processed immediately and the previous interrupt is held pending.
Therefore, if address trap interrupts are generated continuously without execution of the RETN instruction, too
many levels of nesting may cause a malfunction of the microcontroller.
Selection of Address Trap in Internal RAM (ATAS)
Selection of Operation at Address Trap (ATOUT)
Address Trap Interrupt (INTATRAP)
WDTCR1<ATAS> specifies whether or not to generate address traps in the internal RAM area. To execute
Executing an instruction in the SFR or DBR area generates an address trap unconditionally regardless of the
When an address trap is generated, either the interrupt request or the reset request can be selected by
While WDTCR1<ATOUT> is “0”, if the CPU should start looping for some cause such as noise and an attempt
An address trap interrupt is a non-maskable interrupt which can be accepted regardless of the interrupt master
When an address trap interrupt is generated while the other interrupt including an address trap interrupt is
To generate address trap interrupts, set the stack pointer beforehand.
ATOUT
WDTCR2
7
ATAS
7
6
Select address trap generation in
the internal RAM area
Select operation at address trap
6
Write
Watchdog timer control code
and address trap area control
code
ATAS
5
5
ATOUT
4
4
(WDTEN)
3
0: Generate no address trap
1: Generate address traps (After setting ATAS to “1”, writing the control code
D2H to WDTCR2 is required)
0: Interrupt request
1: Reset request
D2H: Enable address trap area selection (ATRAP control code)
4EH: Clear the watchdog timer binary counter (WDT clear code)
B1H: Disable the watchdog timer (WDT disable code)
Others: Invalid
3
Page 76
2
2
(WDTT)
1
1
(WDTOUT)
0
0
(Initial value: **** ****)
(Initial value: **11 1001)
TMP86FH92DMG
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