UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 218
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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If supply voltage fluctuation is 50 ms or less in vicinity of LVI detection voltage
Note
No
A flowchart is shown on the next page.
Detection voltage or more
(TMHE1 = 0 TMHE1 = 1)
Restarting the timaer H1
Setting 8-bit timer H1
(50 ms
50 ms has passed?
Figure 14-6. Example of Software Processing After Release of Reset (1/2)
processing <2>
processing <1>
(TMIFH1 = 1?)
Clears WDT
Initialization
Initialization
(LVIF = 0 ?)
Setting LVI
LVIF = 0
Reset
is measured)
No
Yes
LVI reset
CHAPTER 14 LOW-VOLTAGE DETECTOR
Yes
; Check reset source
; The detection level is set with LVIS.
; f
; Clear low-voltage detection flag.
; Clear timaer counter and timer starts.
;
User’s Manual U18172EJ3V0UD
Initialization of ports
Setting WDT
Specify the division ratio of the system clock,
setting Timaer, setting A/D Converter, etc.
Source : f
Timer starts (TMHE1 = 1)
The low-voltage detector is operated (LVION = 1)
XP
= High-speed internal oscillation clock (8.4 MHz (MAX.)) /2
RL
51 ms when the compare value is 25
(2.1 MHz (MAX.)) /2
Note
12
,
2
(default value)
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