HT46R068B/HT46R069B
Enhanced A/D Type 8-bit OTP MCU
General Description
The Enhanced A/D MCUs are a series of 8-bit high performance, RISC architecture microcontrollers
specifically designed for a wide range of applications. The usual Holtek microcontroller features of
low power consumption, I/O flexibility, timer functions, oscillator options, power down and wake-
up functions, watchdog timer and low voltage reset, combine to provide devices with a huge range
of functional options while still maintaining a high level of cost effectiveness. The fully integrated
system oscillator HIRC, which requires no external components and which has three frequency
selections, opens up a huge range of new application possibilities for these devices, some of which
may include industrial control, consumer products, household appliances subsystem controllers,
etc.
Selection Table
Program
Data
Memory
8-bit
Timer
16-bit
Timer
Time
Base
HIRC
(MHz)
RTC
(LXT)
LCD
SCOM
Part No.
I/O
Memory
1ꢄKx1ꢄ
3ꢃKx1ꢄ
HT4ꢄR0ꢄ8B
HT4ꢄR0ꢄ9B
51ꢃx8
50
ꢄꢃ
ꢃ
ꢃ
1
1
1
1
4/8/1ꢃ
4/8/1ꢃ
√(*)
√(*)
4
4
10ꢃ4x8
Part No.
A/D
PWM
D/A
Interface
PFD
Stack
Package
ꢃ8SKDIP/
SOP/SSOPꢅ
44/5ꢃQFP
SPI/IꢃCꢅ
SPI
HT4ꢄR0ꢄ8B
1ꢃ-bitx1ꢄ
8-bitx4
8-bitx4
1ꢃ-bitx1
1ꢃ-bitx1
√
√
8
8
SPI/IꢃCꢅ
SPI
44/5ꢃQFP
ꢄ4LQFP
HT4ꢄR0ꢄ9B
1ꢃ-bitx1ꢄ
Note: "*" the oscillator is connected to the XT1/XT2 pins with TinyPowerTM design.
Block Diagram
The following block diagram illustrates the main functional blocks.
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Rev. 1.00
ꢃ
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HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
