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◆◆ PMS161 ◆◆

◆	Operating temperature : -40°C ~ 85°C

System Features
1.	1.5KW OTP program memory
2.	96 Bytes data RAM
3.	Maximum 5 IO pins can be selected as TOUCH PAD individually
4.	One hardware 16-bit timer
5.	Two hardware 8-bit timer
6.	One hardware comparator
7.	6 IO pins with optional pull-high/pull-low resistor
8.	Bandgap circuit to provide 1.2V Bandgap voltage
9.	Clock sources: internal high RC oscillator and internal low RC oscillator
10.	Sixteen Levels of LVR reset: 4.5V, 4.0V, 3.75V, 3.5V, 3.3V, 3.15V, 3.0V, 2.7V, 2.5V, 2.4V, 2.3V, 2.2V, 2.1V, 2.0V, 1.9V, 1.8V
11.	Two selectable external interrupt pin
12.	Internal LDO for touch noise immunity
13.	One low-power clock (NILRC) wake-up stopsys regularly.

CPU Features
1.	One processing unit operating mode
2.	82 powerful instructions
3.	Most instructions are 1T execution cycle
4.	Programmable stack pointer to provide adjustable stack level (Using 2 bytes SRAM for one 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.	Separated IO space and memory space

Content	Date	Version	Download (CN)	Download (EN)
PMS161 datasheet	2025-09-10 released	v0.07	Download(CN)：	Download(EN)：
Package Information	2025-03-20 released	v0.15	Download(CN)：	Download(EN)：

Content	Date	Version	Download (CN)	Download (EN)
IDE software	2025-08-19 released	v1.05	Download(CN)：	Download(EN)：
Program Writer software	2025-08-19 released	v1.05	Download(CN)：	Download(EN)：
Touch Library	2021-12-17 released	v1.7	Download(CN)：	Download(EN)：

Content	Description	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)：
APN007	Setting up LVR level	Download(CN)：	Download(EN)：
APN011	Semi-Automatic writing Handler improve writing stability	Download(CN)：	Download(EN)：
APN015	Capacitive touch screen PCB design guide	Download(CN)：	Download(EN)：
APN018	Double bonding check on writer for specific packages	Download(CN)：	Download(EN)：
APN019	E-PAD PCB layout guideline	Download(CN)：	Download(EN)：