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HT37B90 Scheda tecnica(PDF) 3 Page - Holtek Semiconductor Inc

Il numero della parte HT37B90
Spiegazioni elettronici  HT37B90
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT37B90 Scheda tecnica(HTML) 3 Page - Holtek Semiconductor Inc

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PadDescription
HT37B90,HT37B70
PadName
I/O
Configuration
Option
Function
VDD
¾
¾
Positivedigitalpowersupply
VDD_DAC
¾
¾
Positive DAC circuitpowersupply
VDD_AMP
¾
¾
PositivepowerAmp.powersupply
VDD_ADC
¾
¾
PositiveADCcircuitpowersupply
VSS
¾
¾
Negativedigitalpowersupply,ground
VSS_DAC
¾
¾
Negative DAC powersupply,ground
VSS_AMP
¾
¾
NegativeAMPpowersupply,ground
VSS_ADC
¾
¾
NegativeADCpowersupply,ground
PA0~PA4
PA5/INT
PA6/TMR0
PA7/TMR1
I/O
Wake-up,
Pull-high
orNone
Bidirectional 8-bit input/output port. Each pin can be configured as a wake-up
input by configuration option. Software instructions determine if the pin is a
CMOS output or Schmitt Trigger input. Configuration options determine if all
pins on this port have pull-high resistors. Pins PA5, PA6 and PA7 are
pin-sharedwith INT,TMR0andTMR1,respectively.
PB0/AD0~
PB7/AD7
I/O
Pull-high
orNone
Bidirectional 8-bit input/output port. Software instructions determine if the pin
is a CMOS output or Schmitt Trigger input. A configuration option determines
if all pins on this port have pull-high resistors. Pins PB0 ~ PB7 are pin-shared
withAD0andAD7,respectively.
PC0/K0~
PC7/K7
I/O
Pull-high
orNone
Bidirectional 8-bit input/output port. Software instructions determine if the pin
is a CMOS output or Schmitt Trigger input. A configuration option determines
if all pins on this port have pull-high resistors. Pins PC0 ~ PC7 are pin-shared
withK0andK7,respectively(K0~K7areCR/Ffunction).
PD0/RCOUT
PD1/RR
PD2/RC
PD3/CC
PD4/WAS
PD5/DT
PD6/CK
PD7
I/O
Pull-high
orNone
Bidirectional 8-bit input/output port. Software instructions determine if the pin
is a CMOS output or Schmitt Trigger input. A configuration option determines
if all pins on this port have pull-high resistors. Pins PD0~PD3 are pin-shared
with R/F OSC input pins RCOUT, RR, RC and CC. PD4~PD6 are pin-shared
with IIS interfacepinsWAS,DTand CK.PD7isnormalI/Oport.
RCOUT:CapacitororresistorconnectionpintoRC OSC
RR:Oscillationinputpin
RC:Referenceresistorconnectionpin
CC:Referencecapacitorconnectionpin
WAS,DTand CK controlpinfor IIS function
WAS: IIS wordselectoutput
DT: IIS datatransmitoutput
CK: IIS serialclockoutput
PE0/Min
PE1/Mout
PE2/Mth
PE3/SDO
PE4/SDI
PE5/SCS
PE6/SCK
PE7
I/O
Pull-high
orNone
Bidirectional 8-bit input/output port. Software instructions determine if the pin
is a CMOS output or Schmitt Trigger input. A configuration option determines
if all pins on this port have pull-high resistors. Pins PE0~PE2 are pin-shared
with UART interface pins Min, Mout and Mth. Pins PE3~PE6 are pin-shared
with SPI interfacepins SDO, SDI, SCS and SCK.PE7isnormalI/Oport.
Min, Mout and Mth controlpinfor UART Function
Min:MIDIinput
Mout:MIDIoutput
Mth:MIDIthrough
SDO, SDI, SCS and SCK controlpinfor SPI Function
SDO: SPI dataoutputpin
SDI: SPI datainputpin
SCS: SPI slaveselectsignal.
SCK: SPI clock
RCH
O
¾
Audiorightchanneloutput
HT37B90/HT37B70/HT37B50/HT37B30
Rev.1.00
3
June22,2017


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