UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 229
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UPD78F1506GF-GAT-AX
Manufacturer Part Number
UPD78F1506GF-GAT-AX
Description
MCU 16BIT 78K0R/LX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Lx3r
Datasheet
1.UPD78F1500GK-GAK-AX.pdf
(1016 pages)
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
-
- Current page: 229 of 1016
- Download datasheet (7Mb)
78K0R/Lx3
5.4 System Clock Oscillator
5.4.1 X1 oscillator
pins.
follows.
5.4.2 XT1 oscillator
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
The X1 oscillator oscillates with a crystal resonator or ceramic resonator (2 to 20 MHz) connected to the X1 and X2
An external clock can also be input. In this case, input the clock signal to the EXCLK pin.
To use the X1 oscillator, set bits 7 and 6 (EXCLK, OSCSEL) of the clock operation mode control register (CMC) as
• Crystal or ceramic oscillation: EXCLK, OSCSEL = 0, 1
• External clock input:
When the X1 oscillator is not used, set the input port mode (EXCLK, OSCSEL = 0, 0).
When the pins are not used as input port pins, either, see Table 2-2 to 2-4 Connection of Unused Pins.
Figure 5-10 shows an example of the external circuit of the X1 oscillator.
Cautions are listed on the next page.
The XT1 oscillator oscillates with a crystal resonator (standard: 32.768 kHz) connected to the XT1 and XT2 pins.
To use the XT1 oscillator, set bit 4 (OSCSELS) of the clock operation mode control register (CMC) to 1.
When the XT1 oscillator is not used, set the input port mode (OSCSELS = 0).
When the pins are not used as input port pins, either, see Table 2-2 to 2-4 Connection of Unused Pins.
Figure 5-11 shows an example of the external circuit of the XT1 oscillator.
Cautions are listed on the next page.
(a) Crystal or ceramic oscillation
Crystal resonator
or
ceramic resonator
Figure 5-11. Example of External Circuit of XT1 Oscillator (Crystal Oscillation)
Figure 5-10. Example of External Circuit of X1 Oscillator
EXCLK, OSCSEL = 1, 1
V
X1
X2
SS
32.768
kHz
External clock
V
XT1
XT2
SS
(b) External clock
CHAPTER 5 CLOCK GENERATOR
EXCLK
229
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