TMP86xy92DMG Toshiba, TMP86xy92DMG Datasheet - Page 75
![no-image](/images/manufacturer_photos/0/6/668/toshiba_sml.jpg)
TMP86xy92DMG
Manufacturer Part Number
TMP86xy92DMG
Description
Manufacturer
Toshiba
Datasheet
1.TMP86XY92DMG.pdf
(248 pages)
Specifications of TMP86xy92DMG
Package
SSOP30
Rom Types (m=mask,p=otp,f=flash)
M/F
Rom Size
16
Ram Size
512
Driver Led
8
Driver Lcd
-
Spi/sio Channels
1
Uart/sio Channels
2
I2c/sio Channels
1
High-speed Serial Output
-
Adc 8-bit Channels
-
Adc 10-bit Channels
6
Da Converter Channels
-
Timer Counter 18-bit Channel
-
Timer Counter 16-bit Channel
1
Timer Counter 8-bit Channel
2
Motor Channels
-
Watchdog Timer
Y
Dual Clock
Y
Clock Gear
-
Number Of I/o Ports
24
Power Supply (v)
4 to 5.5
- Current page: 75 of 248
- Download datasheet (3Mb)
6. Power-on reset circuit
6.1
6.1.1
6.1.2
on reset signal if the supply voltage drops below the threshold voltage of the power-on reset circuit.
Power-on reset circuit
The power-on reset circuit generates a reset when the TMP86FH92DMG is powered on. It also generates a power-
Note:The power-on reset circuit cannot be emulated with the TMP86C993XB (Emulation Chip). Therefore, when using
by the reference voltage generator.
the supply voltage is below the power-on reset release voltage. The power-on reset signal is released when the
supply voltage rises above the power-on reset release voltage.
supply voltage drops below the power-on reset threshold voltage. While the power-on reset signal is generated,
the warm-up counter circuit, CPU and peripheral circuits are reset.
time has elapsed, the CPU and peripheral circuits are released from the reset state.
range before the power-on warm-up time expires. If the supply voltage is not in the operating range at the com-
pletion of the power-on warm-up time, the TMP86FH92DMG cannot operate properly.
Configuration
function
The power-on reset circuit is comprised of a reference voltage generator and a comparator.
The comparator compares the supply voltage divided by a resistor ladder with the reference voltage generated
When the TMP86FH92DMG is powered on, the power-on reset circuit generates a power-on reset signal while
When the TMP86FH92DMG is shut off, the power-on reset circuit generates a power-on reset signal when the
Upon release of the power-on reset signal, the warm-up counter circuit starts operating. After the warm-up
After the supply voltage reaches the power-on reset release voltage level, it must be raised to the operating
the development tool for debugging, ensure that operation is performed within the operating voltage range of the
TMP86FH92DMG. For the operating voltage range, refer to the chapter on electrical characteristics.
VDD
Reference detection voltage
Figure 6-1 Power-on reset circuit
+
−
Page 61
Power On Reset signal
TMP86FH92DMG
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