RL78/G10 CHAPTER 7 12-BIT INTERVAL TIMER
R01UH0384EJ0311 Rev. 3.11 224
Dec 22, 2016
CHAPTER 7 12-BIT INTERVAL TIMER
Note 16-pin products have a single 12-bit interval timer.
7.1 Functions of 12-bit Interval Timer
An interrupt request signal (INTIT) is generated at any previously specified time interval. It can be utilized as the trigger
for waking up from STOP mode and HALT mode.
7.2 Configuration of 12-bit Interval Timer
The 12-bit interval timer includes the following hardware.
Table 7-1. Configuration of 12-bit Interval Timer
Item Configuration
Counter 12-bit counter
Control registers Peripheral enable register 0 (PER0)
Operation speed mode control register (OSMC)
Interval timer control register H (ITMCH)
Interval timer control register L (ITMCL)
Figure 7-1. Block Diagram of 12-bit Interval Timer
WUTMM
CK0
Operation speed mode
control register (OSMC)
Interrupt request
signal (INTIT)
f
IL
RINTE ITMCMP11 to ITMCMP8 ITMCMP7 to ITMCMP0
Interval timer control
register (ITMCH, ITMCL)
Count
clock
Match signal
ITMCH ITMCL
Match signal
Clear
Internal bus
Count operation
control circuit
12-bit counter
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