UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 243

• Manufacturer Part Number: UPD78F0551MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0551MA-FAA-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 9
• 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-L
5.6.5 Clocks supplied to CPU and peripheral hardware
registers.
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
The following table shows the relation among the clocks supplied to the CPU and peripheral hardware, and setting of
Remarks 1. The 78K0/KY2-L, 78K0/KA2-L, and 78K0/KB2-L are not provided with a subsystem clock.
Remark
Internal high-speed oscillation clock
Internal high-speed oscillation clock
X1 clock
External main system clock
Internal high-speed oscillation clock
Internal high-speed oscillation clock
X1 clock
External main system clock
Subsystem clock
Table 5-5. Clocks Supplied to CPU and Peripheral Hardware, and Register Setting (78K0/KC2-L)
Clock Supplied to CPU
2. XSEL:
XSEL:
CSS:
MCM0:
EXCLK: Bit 7 of the clock operation mode select register (OSCCTL)
×:
Clock Supplied to CPU
MCM0: Bit 0 of MCM
EXCLK: Bit 7 of the clock operation mode select register (OSCCTL)
×:
Table 5-4. Clocks Supplied to CPU and Peripheral Hardware, and Register Setting
Bit 2 of the main clock mode register (MCM)
Bit 4 of the processor clock control register (PCC)
Bit 0 of MCM
don’t care
Bit 2 of the main clock mode register (MCM)
don’t care
Supplied Clock
(78K0/KY2-L, 78K0/KA2-L, and 78K0/KB2-L)
Supplied Clock
Clock Supplied to Peripheral Hardware
X1 clock
External main system clock
Internal high-speed oscillation clock
X1 clock
External main system clock
X1 clock
External main system clock
Clock Supplied to Peripheral Hardware
XSEL
CHAPTER 5 CLOCK GENERATOR
0
1
1
1
1
0
1
1
1
1
XSEL
CSS
0
1
1
1
1
0
0
0
0
0
1
1
1
1
1
MCM0
MCM0
×
0
0
1
1
×
0
0
1
1
×
0
1
0
1
EXCLK
EXCLK
×
0
1
0
1
×
0
1
0
1
×
0
0
1
1
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