UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 588
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
Specifications of UPD78F0890GK(A)-GAJ-AX
Controller Family/series
UPD78F
No. Of I/o's
55
Ram Memory Size
7KB
Cpu Speed
20MHz
No. Of Timers
10
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
128KB
Oscillator Type
External, Internal
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Supply voltage (V
Internal reset signal
V
Notes 1.
Remark <1> to <9> in Figure 22-7 above correspond to <1> to <9> in the description of “When starting
POC
(1) In 1.59 V POC mode setup (option byte: LVISTART = 0)
(set by software)
(set by software)
(set by software)
(set by software) L
= 1.59 V (TYP.)
LVISEL flag
LVIMK flag
LVIMD flag
LVION flag
2.
LVIIF flag
LVIF flag
INTLVI
operation” in 22.4.2 (1) When detecting level of supply voltage (V
The LVIMK flag is set to “1” by reset signal generation.
The interrupt request signal (INTLVI) is generated and the LVIF and LVIIF flags may be set (1).
V
DD
LVI
)
Figure 22-7. Timing of Low-Voltage Detector Interrupt Signal Generation
L
<2>
<1>
Note 1
Note 2
Note 2
Note 2
<4>
(Detects Level of Supply Voltage (V
<7>
Cleared by software
<6>
<8> Cleared by software
<3>
<9>
CHAPTER 22 LOW-VOLTAGE DETECTOR
<5> Wait time
User’s Manual U17554EJ4V0UD
DD
)) (1/2)
DD
).
Time
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