upd78f0134hgka1-9et-a Renesas Electronics Corporation., upd78f0134hgka1-9et-a Datasheet - Page 406
upd78f0134hgka1-9et-a
Manufacturer Part Number
upd78f0134hgka1-9et-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0134HGKA1-9ET-A.pdf
(566 pages)
- Current page: 406 of 566
- Download datasheet (4Mb)
<R>
22.1 Functions of Power-on-Clear Circuit
406
The power-on-clear circuit (POC) has the following functions.
Cautions 1. If an internal reset signal is generated in the POC circuit, the reset control flag register
Remark This product incorporates multiple hardware functions that generate an internal reset signal. A flag that
Generates internal reset signal at power on.
Compares supply voltage (V
when V
DD
indicates the reset cause is located in the reset control flag register (RESF) for when an internal reset
signal is generated by the watchdog timer (WDT), low-voltage-detection (LVI) circuit, or clock monitor.
RESF is not cleared to 00H and the flag is set to 1 when an internal reset signal is generated by WDT,
LVI, or the clock monitor.
For details of the RESF, refer to CHAPTER 20 RESET FUNCTION.
2. The supply voltage is V
3. The supply voltage is V
< V
(RESF) is cleared to 00H.
is used, but be sure to use the standard products and (A) grade products in a voltage range
of 2.2 to 5.5 V because the detection voltage (V
sure to use the (A1) grade products in a voltage range of 2.25 to 5.5 V because the detection
voltage (V
POC
.
POC
) of the POC circuit is 2.0 to 2.25 V.
CHAPTER 22 POWER-ON-CLEAR CIRCUIT
DD
) and detection voltage (V
DD
DD
= 2.0 to 5.5 V when the internal oscillation clock or subsystem clock
User’s Manual U16899EJ3V0UD
= 2.0 to 5.5 V when the internal oscillation clock is used, but be
POC
= 2.1 V 0.1 V), and generates internal reset signal
POC
) of the POC circuit is 2.1 V 0.1 V.
Related parts for upd78f0134hgka1-9et-a
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas Starter Kit for RX210
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas StarterKit for RX630
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit+ for RX63N
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
FLASH PROGRAMMER FOR RENESAS MICROCONTROLLERS
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet: