upd78f0148m1gka1-9eu Renesas Electronics Corporation., upd78f0148m1gka1-9eu Datasheet - Page 247

• Manufacturer Part Number: upd78f0148m1gka1-9eu
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

10.2 Configuration of Watch Timer
10.3 Register Controlling Watch Timer
The watch timer includes the following hardware.
The watch timer is controlled by the watch timer operation mode register (WTM).
• Watch timer operation mode register (WTM)
This register sets the watch timer count clock, enables/disables operation, prescaler interval time, and 5-bit
counter operation control.
WTM is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input clears WTM to 00H.
Counter
Prescaler
Control register
Item
Table 10-3. Watch Timer Configuration
5 bits × 1
11 bits × 1
Watch timer operation mode register (WTM)
CHAPTER 10 WATCH TIMER
User’s Manual U15947EJ3V1UD
Configuration
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