UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 245
UPD78F0386GK-8EU-A
Manufacturer Part Number
UPD78F0386GK-8EU-A
Description
MCU 96KB FLASH 5KB RAM
Manufacturer
Renesas Electronics America
Series
78K0/Lx2r
Datasheet
1.UPD78F0372GK-8EU-A.pdf
(624 pages)
Specifications of UPD78F0386GK-8EU-A
Core Processor
78K/0
Core Size
8-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
LCD, LVD, POR, PWM, WDT
Number Of I /o
26
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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10.3 Register Controlling Watchdog Timer
The watchdog timer is controlled by the watchdog timer enable register (WDTE).
(1) Watchdog timer enable register (WDTE)
Writing ACH to WDTE clears the watchdog timer counter and starts counting again.
This register can be set by an 8-bit memory manipulation instruction.
Reset signal generation sets this register to 9AH or 1AH
Note The WDTE reset value differs depending on the WDTON setting value of the option byte (0080H). To
Cautions 1. If a value other than ACH is written to WDTE, an internal reset signal is generated. If the
Address: FF99H
Symbol
WDTE
operate watchdog timer, set WDTON to 1.
2. If a 1-bit memory manipulation instruction is executed for WDTE, an internal reset signal
3. The value read from WDTE is 9AH/1AH (this differs from the written value (ACH)).
0 (watchdog timer count operation disabled)
1 (watchdog timer count operation enabled)
source clock to the watchdog timer is stopped, however, an internal reset signal is
generated when the source clock to the watchdog timer resumes operation.
is generated. If the source clock to the watchdog timer is stopped, however, an internal
reset signal is generated when the source clock to the watchdog timer resumes operation.
7
Figure 10-2. Format of Watchdog Timer Enable Register (WDTE)
After reset: 9AH/1AH
WDTON Setting Value
6
CHAPTER 10 WATCHDOG TIMER
Note
5
User’s Manual U17504EJ2V0UD
R/W
4
Note
.
1AH
9AH
3
WDTE Reset Value
2
1
0
243
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