UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 176

• Manufacturer Part Number: UPD78F0550MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0550MA-FAA-AX

• Package / Case: *
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 10MHz
• Number Of I /o: 12
• Core Processor: 78K/0
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: LVD, POR, PWM, WDT
• Connectivity: I²C, LIN, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

<R>
176
Address: FF9FH
Address: FF9FH
OSCCTL
OSCCTL
Symbol
Symbol
Cautions 1. To change the value of EXCLK and OSCSEL, be sure to confirm that bit 7
Note
Cautions 1. To change the value of EXCLK and OSCSEL, be sure to confirm that bit 7
RSWOSC
EXCLK
EXCLK
EXCLK
EXCLK
Figure 5-3. Format of Clock Operation Mode Select Register (OSCCTL)
Figure 5-4. Format of Clock Operation Mode Select Register (OSCCTL)
<7>
<7>
0
0
1
1
0
0
1
1
0
0
1
After reset: 00H
After reset: 00H
EXCLKS and OSCSELS are used in combination with XTSTART (bit 6 of the processor clock
control register (PCC)). Refer to (3) Setting of operation mode for subsystem clock pin.
2. Be sure to clear bits 0 to 5 to 0.
2. Be sure to clear bits 0 and 3 to 0.
OSCSEL
OSCSEL
AMPHXT
OSCSEL
(MSTOP) of the main OSC control register (MOC) is 1 (the X1 oscillator stops or
the external clock from the EXCLK pin is disabled).
OSCSEL
(MSTOP) of the main OSC control register (MOC) is 1 (the X1 oscillator stops or
the external clock from the EXCLK pin is disabled).
<6>
<6>
0
1
0
1
0
1
0
1
0
1
(78K0/KY2-L, 78K0/KA2-L, 78K0/KB2-L)
R/W
R/W
Preliminary User’s Manual U19111EJ2V1UD
CHAPTER 5 CLOCK GENERATOR
High-speed system clock
High-speed system clock
EXCLKS
Input port mode
X1 oscillation mode
Input port mode
External clock input
mode
Input port mode
X1 oscillation mode
Input port mode
External clock input
mode
Low power consumption oscillation (default)
Normal oscillation
Ultra-low power consumption oscillation
pin operation mode
pin operation mode
<5>
0
5
Note
(78K0/KC2-L)
OSCSELS
<4>
0
4
XT1 oscillator oscillation mode selection
Note
Input port
Crystal/ceramic resonator connection
Input port
Input port
Input port
Crystal/ceramic resonator connection
Input port
Input port
3
0
3
0
P121/X1 pin
P121/X1 pin
RSWOSC
<2>
2
0
External clock input
External clock input
AMPHXT
P122/X2/EXCLK pin
P122/X2/EXCLK pin
<1>
1
0
0
0
0
0