UPD78F1001GA-HAA-AX Renesas Electronics America, UPD78F1001GA-HAA-AX Datasheet - Page 937
UPD78F1001GA-HAA-AX
Manufacturer Part Number
UPD78F1001GA-HAA-AX
Description
MCU 16BIT 78K0R/KX3-L 44-TQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GA-HAA-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
36
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1001GA-HAA-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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78K0R/Kx3-L
22.4 Cautions for Power-on-Clear Circuit
(V
of reset to the start of the operation of the microcontroller can be arbitrarily set by taking the following action.
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
POR
Note 1
In a system where the supply voltage (V
<Action>
• If supply voltage fluctuation is 50 ms or less in vicinity of POC detection voltage
Notes 1.
Remark m = 0, 1, n = 0 to 7
After releasing the reset signal, wait for the supply voltage fluctuation period of each system by means of a software
counter that uses a timer, and then initialize the ports.
, V
PDR
2.
), the system may be repeatedly reset and released from the reset status. In this case, the time from release
78K0R/KC3-L, 78K0R/KD3-L, 78K0R/KE3-L: mn = 00 to 07
78K0R/KF3-L, 78K0R/KG3-L:
If reset is generated again during this period, initialization processing <2> is not started.
A flowchart is shown on the next page.
No
Figure 22-3. Example of Software Processing After Reset Release (1/2)
Setting timer array unit
(to measure 50 ms)
50 ms has passed?
processing <1>
processing <2>
(TMIFmn = 1?)
Clearing WDT
Initialization
Initialization
Reset
Yes
Power-on-clear
DD
) fluctuates for a certain period in the vicinity of the POC detection voltage
;
; f
; Initial setting for port.
Check the reset source, etc.
Setting of division ratio of system clock,
such as setting of timer or A/D converter.
CLK
Source: f
Timer starts (TSmn = 1).
mn = 00 to 07, 10 to 13
= Internal high-speed oscillation clock (8.16 MHz (MAX.)/2) (default)
where comparison value = 796: ≅ 50 ms
MCK
CHAPTER 22 POWER-ON-CLEAR CIRCUIT
(8.16 MHz (MAX.)/2)/2
Note 2
8
,
937
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