UPD78F1142AGK-GAJ-AX Renesas Electronics America, UPD78F1142AGK-GAJ-AX Datasheet - Page 180
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UPD78F1142AGK-GAJ-AX
Manufacturer Part Number
UPD78F1142AGK-GAJ-AX
Description
MCU 16BIT 78K0R/KX3 64-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AGK-GAJ-AX
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:
UPD78F1142AGK-GAJ-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Note When changing the subsystem clock to another clock, the clock must be set back to the clock before setting the
178
Subsystem
clock
Before Change
Note
subsystem clock. For example, when changing the clock to the X1 clock after having changed the internal
high-speed oscillation clock to the subsystem clock, the clock is changed in the order of the subsystem clock,
the internal high-speed oscillation clock, and the X1 clock.
CPU Clock
Internal high-
speed oscillation
clock
X1 clock
External main
system clock
After Change
Oscillation of internal high-speed oscillator
and selection of internal high-speed
oscillation clock as main system clock
• HIOSTOP = 0, MCS = 0
Stabilization of X1 oscillation and selection
of high-speed system clock as main system
clock
• OSCSEL = 1, EXCLK = 0, MSTOP = 0
• After elapse of oscillation stabilization time
• MCS = 1
Enabling input of external clock from EXCLK
pin and selection of high-speed system clock
as main system clock
• OSCSEL = 1, EXCLK = 1, MSTOP = 0
• MCS = 1
Table 5-5. Changing CPU Clock (2/2)
CHAPTER 5 CLOCK GENERATOR
Condition Before Change
User’s Manual U17854EJ9V0UD
XT1 oscillation can be stopped (XTSTOP =
1)
Processing After Change
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