HD6473937RXV Renesas Electronics America, HD6473937RXV Datasheet - Page 253

• Manufacturer Part Number: HD6473937RXV
• Description: MCU 3/5V 60K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of HD6473937RXV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: POR, WDT
• Number Of I /o: 59
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Figure 9-18 shows an example of watchdog timer operations.
9.6.4
Table 9-18 summarizes the watchdog timer operation states.
Table 9-18 Watchdog Timer Operation States
Operation
Mode
TCW
TCSRW
Note:
Internal reset
signal
TCW count
value
*
H'FF
H'00
Watchdog Timer Operation States
Functions when øw/32 is selected as the input clock.
Reset
Reset
Reset
Example: ø = 2 MHz and the desired overflow period is 30 ms.
The value set in TCW should therefore be 256 – 8 = 248 (H'F8).
Figure 9-18 Typical Watchdog Timer Operations (Example)
H'F8
H'F8 written
in TCW
Active
Functions Functions Halted
Functions Functions Retained
2
8192
10
Start
6
Sleep
30
H'F8 written in TCW
10
Watch
–3
= 7.3
Subactive Subsleep Standby
Functions/
Halted*
Functions/
Halted*
512 ø
Halted
Retained
Reset
OSC
TCW overflow
clock cycles
Halted
Retained
Module
Standby
Halted
Retained
239