UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 832

• 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: -

<R>
78K0R/Lx3
25.1 Regulator Overview
order to stabilize the regulator output voltage, connect the REGC pin to V
25.2 Registers Controlling Regulator
(1) Regulator mode control register (RMC)
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
Address: F00F4H
All 78K0R/Lx3 microcontroller products contain a circuit for operating the device with a constant voltage. At this time, in
The regulator output voltage is normally 2.4 V (TYP.), and in the low-power consumption mode, 1.8 V (TYP.).
Symbol
Also, use a capacitor with good characteristics, since it is used to stabilize internal voltage.
RMC
Cautions 1. The RMC register can be rewritten only in the low-power consumption mode (refer to Table
This register sets the output voltage of the regulator.
RMC is set with an 8-bit memory manipulation instruction.
Reset input sets this register to 00H.
Other than
RMC[7:0]
above
5AH
00H
2. When using the setting fixed to the low consumption current mode, the RMC register can be
7
After reset: 00H
25-1). In other words, rewrite this register during CPU operation with the subsystem clock
(f
20 MHz internal high-speed oscillation clock (f
used in the following cases.
<When the high-speed internal oscillation clock (f
selected as the CPU clock>
<When the X1 clock (f
<When the subsystem clock (f
XT
f
f
Both the internal high-speed oscillator and external oscillator (f
one stops.
CLK
CLK
) while the high-speed system clock (f
Fixed to low-power consumption mode (1.8 V)
Switches normal power mode (2.4 V) and low-power consumption mode (1.8 V) according to the
condition (refer to Table 25-1)
Setting prohibited
Figure 25-1. Format of Regulator Mode Control Register (RMC)
≤ 1 MHz and external oscillator (X1 clock (f
≤ 1 MHz, f
6
R/W
X
/f
EX
≤ 5 MHz and the internal high-speed oscillator stop.
CHAPTER 25 REGULATOR
X
5
) or external main system clock (f
SUB
Control of output voltage of regulator
) is selected as the CPU clock>
4
MX
), the high-speed internal oscillation clock, and the
IH20
3
SS
X
) are both stopped.
), external main system clock (f
via a capacitor (0.47 to 1
IH
= 8 MHz (TYP.) or f
EX
) is selected as the CPU clock>
2
CHAPTER 25 REGULATOR
X
/f
EX
≤ 5 MHz) stop or either
1
IH
μ
F).
= 1 MHz (TYP.)) is
EX
)) stop.
0
832