UPD78F0500AMC-CAB-AX Renesas Electronics America, UPD78F0500AMC-CAB-AX Datasheet - Page 229

• Manufacturer Part Number: UPD78F0500AMC-CAB-AX
• Description: MCU 8BIT 30SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2r

Specifications of UPD78F0500AMC-CAB-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0/Kx2
6.3 Registers Controlling Clock Generator
(1) Clock operation mode select register (OSCCTL)
R01UH0008EJ0401 Rev.4.01
Jul 15, 2010
Remark f
The following seven registers are used to control the clock generator.
• Clock operation mode select register (OSCCTL)
• Processor clock control register (PCC)
• Internal oscillation mode register (RCM)
• Main OSC control register (MOC)
• Main clock mode register (MCM)
• Oscillation stabilization time counter status register (OSTC)
• Oscillation stabilization time select register (OSTS)
This register selects the operation modes of the high-speed system and subsystem clocks, and the gain of the on-
chip oscillator.
OSCCTL can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
f
f
f
f
f
f
f
f
f
f
X
RH
EXCLK
XH
XP
PRS
CPU
XT
EXCLKS
SUB
RL
:
:
:
:
:
:
:
:
:
:
:
Internal high-speed oscillation clock frequency
X1 clock oscillation frequency
External main system clock frequency
High-speed system clock frequency
Main system clock frequency
Peripheral hardware clock frequency
CPU clock frequency
XT1 clock oscillation frequency
External subsystem clock frequency
Subsystem clock frequency
Internal low-speed oscillation clock frequency
CHAPTER 6 CLOCK GENERATOR
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