SIM221 4.3″ HMI

The SIM221 features a compact 4.3″ 480×272 color LCD powered by the STM32H750XB MCU with 480MHz Arm Cortex-M7 MCU and 1MB integrated RAM. Utilizing our proprietary SHIPEngine firmware, the SIM221 delivers a large array of options for front panel applications with industrial, commercial, and medical applications in a small package.

Featuring built-in RS485/UART and high-speed USB connectivity, SIMx21 family members are easily integrated into existing system designs. The 30-pin expansion connector provides further expandability to custom daughter-cards or off-the-shelf Serious Communications/Control Modules for extensive connectivity (including WiFi, Bluetooth, Ethernet, RSxxx, CAN, and more) as well as powerful system control.

FEATURES

Processor and Memory

STM32H750XB MCU with 480MHz Arm Cortex-M7 MCU and 1MB integrated RAM 32MB SDRAM with 128MB QSPI NAND Flash storage for program, non-volatile data, and files system storage
μSDCard socket for (user supplied) memory cards for file system expansion and firmware/GUI updates

Integrated graphics/touch and audio I/O:

Integrated LCD with optional touch controller and ambient light sensor for high brightness LCD options
Integrated audio 3W speaker codec/amplifier outputs and external codec/amplifier support

Numerous communications ports

USB 2.0 high speed 480mbps host port A connector
USB 2.0 high speed 480mbps device port Micro B connector
RS422/485 port with selectable duplex and termination
3.3V UART with transmit control (separate from RS485 port)

Simple in-chassis connectivity

Direct Dock to Generation 5 Serious Comms/Control Modules (SCMs, e.g. SCM318)
16-pin JST ZPD series wire-to-board connector (RS485/UART, Power, RESET#)
6-pin industrial 3.5mm pluggable connector (RS485, Power)

Wide Operating Range

10.8-35VDC wide range power supply input
-40 to +85C operating temperature range components (further limited by LCD option)

VARIANTS

FEATURE/VARIANT	A01	A90	A91	A92	A98	A99
LCD
Size (inches)	4.3 (SIM221), 5″ (SIM721), 7″ (SIM521)
Touch Options	Resistive, capacitive, and non-touch
Operating Range
Vin	4,5 to 5,25	6 to 35			4,5 to 5,25
Operating Temp	Minus 40 to +85C
MCU & Storage
Family	STM32H750XB MCU
Core	480MHz Arm Cortex-M7 MCU
QSPI NAND Flash (MB)	128	–	128	128	128	128
RAM Type	SDRAM
RAM Size (MB)	32	16	32	32	16	32
Peripherals
Battery Backed RTCC	Y	Y	Y	Y	–	Y
Audio Output	Piezo Sounder	EM Sounder			Piezo Sounder	I2S
Connectivity
Host Port/Speed (Mbps)	480	480	480	480	480	480
USB Host A Connector	Y	Y	Y	Y	N	N
USB Device µB Connector	Y	Y	Y	Y	Y	Y
UART	1	1	1	1	1	1
RS422/485 Transceiver	1	1	1	1	0	0