Part # ST72321BJ6 ST72321BJ7 ST72321BJ9 ST72321BR9 ST72321BAR6 ST72321BAR7 ST72321BAR9 ST72321BK6 ST72321BR7 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: ST72321B - 8-bit MCU with 32 to 60K Flash ROM, ADC, five timers, SPI, SCI, I2C interface


Part Details:

ST72321B 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface Features Memories ­ 32K to 60K dual voltage High Density Flash (HDFlash) or ROM with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices ­ 1K to 2K RAM LQFP64 LQFP32 ­ HDFlash endurance: 100 cycles, data reten- 14 x 14 7 x 7 tion: 40 years at 85°C Clock, Reset And Supply Management ­ Enhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capability ­ Clock sources: crystal/ceramic resonator os- LQFP64 LQFP44 cillators, internal RC oscillator and bypass for 10 x 10 10 x 10 external clock ­ PLL for 2x frequency multiplication ­ 8-bit PWM Auto-reload timer with: 2 input cap- ­ Four Power Saving Modes: Halt, Active-Halt, tures, 4 PWM outputs, output compare and Wait and Slow time base interrupt, external clock with event Interrupt Management detector ­ Nested interrupt controller 3 Communications Interfaces ­ 14 interrupt vectors plus TRAP and RESET ­ SPI synchronous serial interface ­ Top Level Interrupt (TLI) pin on 64-pin devices ­ SCI asynchronous serial interface ­ 15/9 external interrupt lines (on 4 vectors) ­ I2C multimaster interface Up to 48 I/O Ports 1 Analog peripheral (low current coupling) ­ 48/32/24 multifunctional bidirectional I/O lines ­ 10-bit ADC with up to 16 robust input ports ­ 34/22/17 alternate function lines Instruction Set ­ 16/12/10 high sink outputs ­ 8-bit Data Manipulation 5 Timers ­ 63 Basic Instructions ­ Main Clock Controller with: Real time base, ­ 17 main Addressing Modes Beep and Clock-out capabilities


Please click the following link to download the datasheet:

ST72321BJ6 ST72321BJ7 ST72321BJ9 ST72321BR9 ST72321BAR6 ST72321BAR7 ST72321BAR9 ST72321BK6 ST72321BR7.pdf Datasheet