HT46R064D/065D/066D
Enhanced A/D Type 8-Bit OTP MCU with LED Driver
Pin Name
Function
OPT
I/T
ST
¾
O/T
CMOS General purpose I/O. Register enabled pull-up.
Software controlled 1/2 bias LCD COM
Description
PB6
PBPU
PB6/SCOM0
SCOM0 SCOMC
PB7 PBPU
SCOM1 SCOMC
SCOM
CMOS General purpose I/O. Register enabled pull-up.
Software controlled 1/2 bias LCD COM
ST
¾
PB7/SCOM1
PC0, PC1
SCOM
PCn
PC2
PFD
PC3
INT
PCPU
PCPU
CTRL0
PCPU
¾
ST CMOS General purpose I/O. Register enabled pull-up.
ST CMOS General purpose I/O. Register enabled pull-up.
PC2/[PFD]
CMOS PFD output
ST CMOS General purpose I/O. Register enabled pull-up.
ST External interrupt input
ST CMOS General purpose I/O. Register enabled pull-up.
ST External Timer 0 clock input
¾
PC3/[INT]
¾
PC4
TC0
PC5
PC6
PCPU
¾
PC4/[TC0]
PC5
¾
PCPU
PCPU
ST CMOS General purpose I/O. Register enabled pull-up.
ST CMOS General purpose I/O. Register enabled pull-up.
PC6/SCOM3
SCOM3 SCOMC
PC7 PCPU
SCOM2 SCOMC
SCOM Software controlled 1/2 bias LCD COM
ST CMOS General purpose I/O. Register enabled pull-up.
¾
PC7/SCOM2
SCOM Software controlled 1/2 bias LCD COM
¾
VDD
VSS
VDD
VSS
PWR
PWR
Power supply
Ground
¾
¾
¾
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; AN: analog input
SCOM: Software controlled LCD COM
Rev. 1.00
6
January 12, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
