UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 136

• 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: -

5.8.3 Switching from high-speed system clock to subsystem clock
134
High-speed system
clock operation
Note Set CSS to 1 after confirming that oscillation of the subsystem clock is stabilized.
Subsystem
clock
Figure 5-16. Switching from High-Speed System Clock to Subsystem Clock (Flowchart)
in high-speed system
Register setting
clock operation
CHAPTER 5 CLOCK GENERATOR
Subsystem clock operation
User’s Manual U16899EJ3V0UD
PCC.7 (MCC) = 0
PCC.4 (CSS) = 0
CSS
MCM = 03H
1
Note
; High-speed system clock oscillation
; High-speed system clock or Internal oscillation clock
; High-speed system clock operation
; Subsystem clock operation
MCS = 1 not changed.
CLS is changed from 0 to 1.