HT46R01T3 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT46R01T3 Datasheet PDF : 16 Pages
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HT46R01T3/HT48R01T3
8-Bit OTP MCU with RF Transmitter
Pin Name Function OPT I/T
O/T
Description
PA7/RES
PA7
RES
PAWK ST NMOS General purpose I/O. Register enabled wake-up.
CO
ST
¾ Reset input
General purpose I/O. Register enabled pull-up.
PB1 PBPU ST CMOS Internally connected to DIN pin on RF module.
PB1/DOUT
Must be setup as output for interfacing to RF module.
DOUT
¾
¾
¾
Data output from MCU to RF module
Connected internally to PB1
PAOUT
PAOUT
¾
¾ NSO RF power amplifier output
XOUT
XOUT
¾
¾
HXT RF chip crystal pin
XIN
XIN
¾
HXT
¾ RF chip crystal pin
VDD
VDD
¾ PWR ¾ MCU power supply
VSS
VSS
¾ PWR ¾ MCU ground
AVDD
AVDD
¾ PWR ¾ RF chip power supply
AVSS
AVSS
¾ PWR ¾ RF chip ground
Note:
I/T: Input type
O/T: Output type
OPT: Optional by configuration option (CO) or register option
PWR: Power
CO: Configuration option
ST: Schmitt Trigger input
CMOS: CMOS output
NSO: Non-standard output
Internally Connected Pins
In addition to the internal connection between MCU pin, PB1, and RF Transmitter pin, DIN, the MCU
pin, PB0, and RF Transmitter pin, CREF, are also internally connected. However it should be noted
that PB0/CREF is not connected to any external pins on the device package.
Pin Name Function OPT I/T
O/T
Description
General Purpose I/O. Register enabled pull-high resistor.
PB0
PBPU
ST
CMOS
Internally connected to CREF pin on RF module.
Must be setup as an input for interfacing to RF module.
PB0/CREF
Not available on package.
CREF
¾
¾
¾
RF Transmitter generated pulses for synchronisation.
Connected internally to PB0. Not available on package.
Rev. 1.30
6
November 23, 2010
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