upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 356

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

356
Port pin (P130)
(except P130)
system clock
Note Set P130 to high-level output by software.
Remarks 1. When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
High-speed
reset signal
CPU clock
oscillation
Port pin
Internal
RESET
Internal
clock
2. For the reset timing of the power-on-clear circuit and low-voltage detector, see CHAPTER 21
effected, the output signal of P130 can be dummy-output as the CPU reset signal.
POWER-ON-CLEAR CIRCUIT and CHAPTER 22 LOW-VOLTAGE DETECTOR.
operation
Normal
STOP instruction execution
Figure 19-4. Timing of Reset in STOP Mode by RESET Input
(Oscillation stop)
Stop status
CHAPTER 19 RESET FUNCTION
User’s Manual U16962EJ3V0UD
Delay
(Oscillation stop)
Reset period
Delay
Operation stop
(17/f
R
)
Hi-Z
Normal operation
(Reset processing, internal oscillation clock)
Note