TMPM380FWDFG Toshiba, TMPM380FWDFG Datasheet - Page 530
TMPM380FWDFG
Manufacturer Part Number
TMPM380FWDFG
Description
Manufacturer
Toshiba
Datasheet
1.TMPM380FWDFG.pdf
(700 pages)
Specifications of TMPM380FWDFG
Product Summaries
Summary
Lead Free
Yes
Rohs Compatible Product(s)
Available
Rom (kbytes)
128K
Rom Type
Flash
Ram (kbytes)
12K
Number Of Pins
100
Package
QFP(14×20)
Vcc
5V
Cpu Mhz
40
Ssp (ch) Spi
2
I2c/sio (ch)
2
Uart/sio (ch)
5
Usb
-
Can
-
Ethernet
-
External Bus Interface
N
Cs/wait Controller (ch)
-
Dma Controller
2
10-bit Da Converter
-
10-bit Ad Converter
-
12-bit Ad Converter
18
16-bit Timer / Counter
8
Motor / Igbt Control
Y
Real Time Clock
1
Watchdog Timer
Y
Osc Freq Detect
Y
Clock Gear
Y
Low-power Hold Function
-
Remote Control Interface
Y
Hardware Cec Controller
-
Comparators
-
Low-voltage Detector
Y
Etm Hardware Trace
2-bit
- Current page: 530 of 700
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20. Power-on Reset Circuit (POR)
20.1 Configuration
20.2 Function
power-on counter
voltage generation circuit by the comparator.
lower than the detection voltage of the power-on reset circuit, a power-on reset signal is generated.
of the power-on reset circuit, a power-on reset signal is generated. If the power supply voltage exceeds
the releasing voltage of the power-on reset circuit, power-on counter is activated and 2
power-on reset signal is released.
voltage of the power-on reset circuit, a power-on reset signal is generated.
are reset.
should be increased to the recommended operating voltage range (Note) within 0.6ms from the detection
of the releasing voltage of the power-on reset circuit. If the supply voltage does not reach the range, the
TMPM380/M382 cannot operate properly.
The power-on reset circuit generates a reset when the power is turned on. When the supply voltage is
The power-on reset circuit consists of a reference voltage generation circuit, a comparator and a
The supply voltage divided by ladder resistor is compared with the voltage generated by the reference
When power supply voltage goes on, if the supply voltage is equal to or lower than the releasing voltage
When power supply voltage goes down, if the supply voltage is equal to or lower than the detecting
During the generation of power-on reset, the power-on counter circuit, the CPU and peripheral circuits
When the power-on reset cuicuit is activated without an external reset input signal, the supply voltage
RVDD5
(Note) When the supply voltage rises, until the supply voltage (at DVDD5,DVDD5E and RVDD5 pins) reach the
recommended operating voltage range (4.5V through 5.5V) and 200μs passes by, the following condition should
be satisfied; Port L (PL0 and PL1) is opened or the input voltage is within 0.5 volts.
Reference voltage
generation circuit
.
-
+
Figure 20-1 Power-on Reset Circuit
Power-on
detection signal
TMPM380/M382 - 13-1 -
Power-on counter
Power-on reset signal
TMPM380/M382
13
/f
osc
(s) later, a
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