UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 233
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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: 233 of 1016
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<R>
78K0R/Lx3
5.4.3 Internal high-speed oscillator
controlled by bit 0 (HIOSTOP) of the clock operation status control register (CSC) and bit 0 (DSCON) of the 20 MHz
internal high-speed oscillation control register (DSCCTL).
Caution To use the 1, 8, or 20 MHz internal high-speed oscillation clock, use the option byte to set the frequency
5.4.4 Internal low-speed oscillator
clock cannot be used as the CPU clock.
(30 kHz (TYP.)) if the watchdog timer operation is enabled by the option byte.
timer operates, the internal low-speed oscillation clock does not stop, even in case of a program loop.
5.4.5 Prescaler
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
The internal high-speed oscillator is incorporated in the 78K0R/Lx3 (1, 8 and 20 MHz (TYP.)). Oscillation can be
The internal low-speed oscillator is incorporated in the 78K0R/Lx3 microcontrollers.
The internal low-speed oscillation clock is used only as the watchdog timer clock. The internal low-speed oscillation
After a reset release, the internal low-speed oscillator automatically starts oscillation, and the watchdog timer is driven
The internal low-speed oscillator continues oscillation except when the watchdog timer stops. When the watchdog
The prescaler generates a CPU/peripheral hardware clock by dividing the main system clock and subsystem clock.
in advance (for details, see CHAPTER 26 OPTION BYTE).
automatically starts oscillating after reset release. (If 8 MHz or 20 MHz is selected by using the option
byte, the microcontroller operates using the 8 MHz internal high-speed oscillator.) To use the 20 MHz
internal high-speed oscillator to operate the microcontroller, oscillation is started by setting bit 0
(DSCON) of the DSCCTL register to 1 with V
DD
≥ 2.7 V.
Also, the internal high-speed oscillator
CHAPTER 5 CLOCK GENERATOR
233
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