TMP86C993XB(EYZ) Toshiba, TMP86C993XB(EYZ) Datasheet - Page 80
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TMP86C993XB(EYZ)
Manufacturer Part Number
TMP86C993XB(EYZ)
Description
EMULATION CHIP FOR TMP86F SSOP
Manufacturer
Toshiba
Series
-r
Datasheet
1.TMP86C993XB.pdf
(246 pages)
Specifications of TMP86C993XB(EYZ)
Accessory Type
Adapter
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
TMP86F SSOP
Other names
TMP86C993XB
TMP86C993XB
TMP86C993XB
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7.3
Function
7.3
7.3.1
7.3.2
7.3.3
7.3.4
threshold voltage, whether to enable or disable voltage detect operation and the action to be taken when the supply
voltage (VDD) falls below the threshold voltage (VDxLVL) can be programmed by software.
Voltage detection x reset signal
Function
The voltage detecting circuit allows two threshold voltage levels (VDxLVL, x = 1, 2) to be specified. For each
Immediately after release of a power-on reset,VDCR2<VDxEN>, is cleared to 0.
voltage detect operation is enabled (VDCR2<VDxEN>=1), an INTVLTD interrupt is generated if the supply
voltage (VDD) falls below the threshold voltage (VDxLVL).
detect operation is enabled (VDCR2<VDxEN>=1), a voltage detect x reset signal is generated if the supply
voltage (VDD) falls below the threshold voltage (VDxLVL).
reset input signal remains asserted while the supply voltage (VDD) is below the threshold voltage (VDxLVL).
relation between the supply voltage (VDD) and the threshold voltage (VDxLVL), i.e, whether VDD is above or
equal to VDxLVL or VDD is below VDxLVL.
Enabling/Disabling Voltage Detection Operation
Selecting the Voltage Detect Operating Mode
Detection voltage level section
Voltage detection flag and voltage detection status flag
Setting the VDCR2<VDxEN> bit to 1 enables voltage detect operation and clearing this bit to 0 disables it.
When the voltage detect operation mode is set to generating an interrupt request (VDCR2<VDxMOD>=0) and
When the voltage detect operation mode is set to generating a reset signal (VDCR2<VDxMOD>=1) and voltage
The VDCR1 and VDCR2 are only initialized by a power-on reset or an external reset input. Therefore, the
The threshold voltage level is selected by programming the VDCR1<VDxLVL> bits.
The voltage detect flag (VDCR1<VDxF>) and voltage detect status flag (VDCR1<VDxSF>) indicate the
Detection voltage level
Note:Setting VDCR2<VDxEN> to 1 while the supply voltage is below the threshold voltage (VDD<VDxLVL)
Note:The "reset input signal" mentioned above is the reset input shown in "Reset Circuit" section.
VDCR2<VDxEN>
immediately causes an INTVLTD interrupt or a voltage detect x reset signal to be generated.
VDD level
INTVLTD
Figure 7-2 interrupt request signal and reset signal
Page 66
TMP86FH92DMG
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