HT48R005/HT46R005
Pin Description
HT48R005
Pin Name
Function
PA0
BZ
OPT
I/T
ST
¾
O/T
Description
PAPU
PAWK
CMOS General purpose I/O. Register enabled pull-up and wake-up.
CMOS Buzzer output pin
PA0/BZ
CTRL0
PAPU
PAWK
PA1
BZ
ST
¾
CMOS General purpose I/O. Register enabled pull-up and wake-up.
PA1/BZ
CTRL0
Buzzer complementary output pin
CMOS General purpose I/O. Register enabled pull-up and wake-up.
¾
PAPU
PAWK
PA2
ST
PA2/TMR/INT
PA5/OSC2
TMR
INT
ST
ST
External Timer clock input
External interrupt input
¾
¾
¾
¾
PAPU
PAWK
PA5
OSC2
PA6
ST
¾
CMOS General purpose I/O. Register enabled pull-up and wake-up.
OSC Oscillator pin
CO
PAPU
PAWK
ST
CMOS General purpose I/O. Register enabled pull-up and wake-up.
PA6/OSC1
PA7/RES
OSC1
PA7
CO
PAWK
CO
OSC
ST
Oscillator pin
NMOS General purpose I/O. Register enabled wake-up.
¾
RES
VDD
VSS
ST
Reset input
Power supply
Ground
¾
¾
¾
VDD
PWR
PWR
¾
VSS
¾
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
Rev. 1.00
7
November 29, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
