UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 236

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

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: -

10.2 Configuration of Watchdog Timer
234
Watchdog timer enable
register (WDTE)
The watchdog timer includes following hardware.
f
XP
f
R
/2
/2
4
2
Control registers
controller
Clock
input
2
Item
Watchdog timer mode
register (WDTM)
0
Figure 10-1. Block Diagram of Watchdog Timer
Table 10-3. Configuration of Watchdog Timer
counter
16-bit
1
Clear
CHAPTER 10 WATCHDOG TIMER
Watchdog timer mode register (WDTM)
Watchdog timer enable register (WDTE)
1
2
2
or
2
2
Internal bus
13
20
11
18
User’s Manual U16899EJ3V0UD
/f
/f
/f
/f
XP
XP
R
R
WDCS4
to
to
Selector
WDCS3
3
WDCS2
WDCS1 WDCS0
Configuration
controller
Output
Internal reset signal
Option byte
(to set “internal oscillator
cannot be stopped” or
“internal oscillator can be
stopped by software”)