◆◆ PMS133 ◆◆
General purpose OTP series
Not supposed to use in AC RC step-down powered or high EFT requirement applications
Operating temperature : -40°C ~ 85°C
System Features
1. 3KW OTP Program memory / 256 Bytes data RAM / 18 IO pins / 14 channel ADC 
2. One hardware 16-bit timer 
3. Two hardware 8-bit timer with PWM generator 
4. Three hardware 11-bit PWM generator(PWMG0, PWMG1 & PWMG2) 
5. One hardware comparator
6. Band-gap circuit to provide 1.20V reference voltage 
7. Up to 14-channel 12-bit resolution ADC with one channel comes from internal band-gap reference voltage or 0.25*VDD
8. ADC reference high voltage: external input, internal VDD, Band-gap 1.20V, 4V, 3V, 2V 
9. One 1T 8x8 hardware multiplier 
10. Max. 18 IO pins with optional pull-high resistor 
11. Three different IO Driving capability group to meet different application requirements 
12. Every IO pin can be configured to enable wake-up function 
13. Built-in VDD/2 LCD bias voltage generator to provide maximum 4x17 dots LCD display 
14. Clock sources: IHRC, ILRC and EOSC(XTAL) 
15. For every wake-up enabled IO, two optional wake-up speed are supported: normal and fast 
16. Eight levels of LVR reset ~ 4.0V, 3.5V, 3.0V, 2.75V, 2.5V, 2.2V, 2.0V, 1.8V
17. Two selectable external interrupt pins by code option 
CPU Features
1. 8bit high performance RISC CPU 
2. 93 powerful instructions 
3. Most instructions are 1T execution cycle 
4. Programmable stack pointer to provide adjustable stack level 
5. Direct and indirect addressing modes for data access. Data memories are available for use as an index pointer of Indirect addressing mode
6. IO space and memory space are independent
Content Date Version Download
PMS133 datasheet 2024-05-09 released v1.07 Download(CN): Download(EN):
Package Information 2023-09-13 released v0.14 Download(CN): Download(EN):
Content Date Version Download
IDE software 2024-06-12 released v1.01A3 Download(EN):
Program Writer software 2024-06-12 released v1.01A3 Download(EN):
Content Description Download
APN001 Output impedance of ADC analog signal source Download(CN): Download(EN):
APN002 Over voltage protection Download(CN): Download(EN):
APN003 Over voltage protection Download(CN): Download(EN):
APN004 Semi-Automatic writing handler Download(CN): Download(EN):
APN005 Effects of over voltage input to ADC Download(CN): Download(EN):
APN007 Setting up LVR level Download(CN): Download(EN):
APN011 Semi-Automatic writing Handler improve writing stability Download(CN): Download(EN):
APN013 Notification of crystal oscillator Download(CN): Download(EN):
APN019 E-PAD PCB layout guideline Download(CN): Download(EN):