UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 217

• Manufacturer Part Number: UPD78F1506GF-GAT-AX
• Description: MCU 16BIT 78K0R/LX3 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Lx3r

Specifications of UPD78F1506GF-GAT-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 78
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Lx3
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
Address: FFFA0H
Symbol
CMC
Remark f
Cautions 1. CMC can be written only once after reset release, by an 8-bit memory manipulation
OSCSELS
AMPHS1
EXCLK
EXCLK
AMPH
Figure 5-2. Format of Clock Operation Mode Control Register (CMC)
7
0
0
1
1
0
1
0
0
1
1
0
1
After reset: 00H
MX
2. After reset release, set CMC before X1 or XT1 oscillation is started as set by the
3. Be sure to set AMPH to 1 if the X1 clock oscillation frequency exceeds 10 MHz.
4. To use CMC with its initial value (00H), be sure to set it to 00H after releasing reset in
5. The XT1 oscillator is designed as a low-gain circuit for achieving low-power
(Cautions are continued on the next page.)
: High-speed system clock frequency
instruction.
clock operation status control register (CSC).
order to prevent malfunction when a program loop occurs.
consumption. Note the following points when designing the XT1 oscillator.
Input port mode
XT1 oscillation mode
2 MHz ≤ f
10 MHz < f
• The pins and circuit board include parasitic capacitance. Therefore, confirm that
• When low-consumption oscillation or super-low-consumption oscillation is
OSCSEL
OSCSEL
AMPHS0
Subsystem clock pin operation mode
there are no problems by performing oscillation evaluation on the circuit board to
be actually used.
selected, lower power consumption than when selecting normal oscillation can
be achieved. However, in this case, the XT1 oscillation margin is reduced, so
perform sufficient oscillation evaluation of the resonator to be used for XT1
oscillation before using the resonator.
6
0
1
0
1
0
1
0
1
MX
MX
≤ 10 MHz
Input port mode
X1 oscillation mode
Input port mode
External clock input mode
Low-consumption oscillation
Normal oscillation
Super-low-consumption oscillation
≤ 20 MHz
High-speed system clock
R/W
pin operation mode
Control of high-speed system clock oscillation frequency
0
5
OSCSELS
4
XT1 oscillator oscillation mode selection
Input port
Crystal resonator connection
Input port
Crystal/ceramic resonator connection
Input port
Input port
3
0
XT1/P123 pin
X1/P121 pin
CHAPTER 5 CLOCK GENERATOR
AMPHS1
2
External clock input
AMPHS0
X2/EXCLK/P122 pin
1
XT2/P124 pin
AMPH
0
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