summary

   HT4XR0XX series microcontroller is a small encapsulation type has eight high performance reduced instruction set microcontroller. This series microcontroller has low power consumption and the I/O flexible, timer function, oscillation type optional, sleep and wake up function, the watchdog and low voltage and reactive power can reset the rich options, and have high cost performance, its internal integration system HIRC oscillator, don't need to increase external components, provide three frequencies to choose, can is suitable for a wide range of applications, such as industrial control, consumer products, household appliances subsystem control, etc.

characteristics

CPU characteristics

Working voltage:
FSYS = 4 MHz: 2.2 V to 5.5 V
FSYS = 8 MHz: 3.0 V to 5.5 V
FSYS = 12 MHz: 4.5 V to 5.5 V
In the VDD = 5 V, the system clock for 12 MHz, instruction cycle for 0.33 u s
Provide dormancy and sensei function, in order to reduce power consumption
Five kinds of oscillation mode:
External high frequency crystals--HXT
External low frequency crystals-LXT
External RC-ERC
Internal high-speed RC-HIRC
Internal low speed-LIRC RC
Three kinds of work mode: normal, low speed and dormancy

Internal integration 4 MHz, 8 MHz and 12 MHz oscillator,
Without external components
OTP program storage: 1 Kx15 ~ 2 Kx15
RAM data storage: 96 x8
The watchdog timer function
LIRC oscillation for the watchdog clock
All the instructions can be in 1 or 2 instructions complete cycle
Look-up table instructions
Article 63 instructions
Six floors of the stack
A operation instruction
Low voltage reset function
10-pin MSOP, 16-pin NSOP package types
 

Surrounding characteristics

10 a two-way input/output
4 channel 12 A resolution precision of the A/D converter
1 channel eight PWM function
A and I/O mouth of external interruption share pin input
Two eight programmable timing/counter, with overflow interrupt
Function, and the
Programmable prescaler-PFD