ML610Q422-NNNTBZ03A7 Rohm Semiconductor, ML610Q422-NNNTBZ03A7 Datasheet - Page 170
ML610Q422-NNNTBZ03A7
Manufacturer Part Number
ML610Q422-NNNTBZ03A7
Description
MCU 8BIT 32K FLASH 22CH 120-TQFP
Manufacturer
Rohm Semiconductor
Series
-r
Datasheets
1.ML610Q482P-NNNTB03A7.pdf
(20 pages)
2.ML610Q421P-NNNTB03A7.pdf
(35 pages)
3.ML610Q421P-NNNTB03A7.pdf
(426 pages)
Specifications of ML610Q422-NNNTBZ03A7
Core Processor
nX-U8/100
Core Size
8-Bit
Speed
4.2MHz
Connectivity
I²C, SSP, UART/USART
Peripherals
LCD, Melody Driver, POR, PWM, WDT
Number Of I /o
14
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.1 V ~ 3.6 V
Data Converters
A/D 2x12b, 2x24b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
100-TFQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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- ML610Q482P-NNNTB03A7 PDF datasheet
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- Download datasheet (3Mb)
12.3 Description of Operation
The WDT counter starts counting after the system reset has been released and the low-speed clock oscillation start..
Write "5AH" when the internal pointer (WDP) is "0"and then the WDT counter is cleared by writing "0A5H" when
WDP is "1".
WDP is reset to “0” at the time of system reset or when the WDT counter overflows and is inverted whenever data is
written to WDTCON.
When the WDT counter cannot be cleared within the WDT counter overflow period (T
(WDTINT) occurs. If the WDT counter is not cleared even by the software processing performed following the
watchdog timer interrupt and overflow occurs again, WDT reset occurs and the mode shifts to a system reset mode.
For the overflow period (TWOV) of the WDT counter, one of 125ms, 500ms, 2s, and 8s can be selected by the
watchdog mode register (WDTMOD).
Clear the WDT counter within the clear period of the WDT counter shown in Table 12-1.
WDT1
0
0
1
1
WDT0
0
1
0
1
Table 12-1 Clear Period of WDT Counter
2000 ms
8000 ms
125 ms
500 ms
T
WOV
12 – 5
ML610Q431/ML610Q432 User’s Manual
Approx. 1996 ms
Approx. 7996 ms
Approx. 121 ms
Approx. 496 ms
T
Chapter 13 Watchdog Timer
WCL
WOV
), a watchdog timer interrupt
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