UPD78F1142AF1-AN1-A Renesas Electronics America, UPD78F1142AF1-AN1-A Datasheet - Page 655
UPD78F1142AF1-AN1-A
Manufacturer Part Number
UPD78F1142AF1-AN1-A
Description
MCU 16BIT 78K0R/KX3 64-FBGA
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AF1-AN1-A
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1142AF1-AN1-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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21.1 Regulator Overview
the regulator output voltage, connect the REGC pin to V
STOP mode that has been entered since operation of the internal high-speed oscillation clock and external main
system clock, 0.47
internal voltage.
21.2 Registers Controlling Regulator
(1) Regulator mode control register (RMC)
Address: F00F4H
The 78K0R/KE3 contains a circuit for operating the device with a constant voltage. At this time, in order to stabilize
The regulator output voltage is normally 2.5 V (typ.), and in the low consumption current mode, 1.8 V (typ.).
Symbol
RMC
Cautions 1. The RMC register can be rewritten only in the low consumption current mode (refer to
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
3. The self-programming function is disabled in the low consumption current mode.
7
After reset: 00H
μ
F is recommended. Also, use a capacitor with good characteristics, since it is used to stabilize
Table 21-1). In other words, rewrite this register during CPU operation with the subsystem
clock (f
clock (f
be used in the following cases.
<When the high-speed internal oscillation clock, external input clock, or subsystem clock
are selected for the CPU clock>
<When X1 clock is selected as the CPU clock>
Figure 21-1. Format of Regulator Mode Control Register (RMC)
Fixed to low consumption current mode (1.8 V)
Switches normal current mode (2.5 V) and low consumption current mode (1.8 V) according to the
condition (refer to Table 21-1)
Setting prohibited
IH
XT
) are both stopped.
) while the high-speed system clock (f
6
R/W
CHAPTER 21 REGULATOR
5
User’s Manual U17854EJ9V0UD
Control of output voltage of regulator
SS
4
via a capacitor (0.47 to 1
3
MX
) and high-speed internal oscillation
f
f
X
CLK
≤ 5 MHz and f
2
≤ 5 MHz
μ
F). However, when using the
1
CLK
≤ 5 MHz
0
653
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