UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 408

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UPD78F0138HGK-9ET-A

Manufacturer Part Number
UPD78F0138HGK-9ET-A
Description
MCU 8BIT 60K FLASH 64TQFP
Manufacturer
Renesas Electronics America
Series
78K0/Kx1+r
Datasheet

Specifications of UPD78F0138HGK-9ET-A

Core Processor
78K/0
Core Size
8-Bit
Speed
16MHz
Connectivity
3-Wire SIO, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
42
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
<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.

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