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ST72P321BR6T3

更新时间： 2024-11-05 08:22:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
187页 3060K
描述
IC,MICROCONTROLLER,8-BIT,ST72 CPU,QFP,64PIN,PLASTIC

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ST72P321BR6T3 数据手册

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ST72321BRx, ST72321BARx  
ST72321BJx, ST72321BKx  
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  
LQFP64  
14 x 14  
LQFP32  
7 x 7  
– 1K to 2K RAM  
– HDFlash endurance: 100 cycles, data reten-  
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-  
cillators, internal RC oscillator and bypass for  
external clock  
LQFP64  
10 x 10  
LQFP44  
10 x 10  
– PLL for 2x frequency multiplication  
– 8-bit PWM Auto-reload timer with: 2 input cap-  
tures, 4 PWM outputs, output compare and  
time base interrupt, external clock with event  
detector  
– Four Power Saving Modes: Halt, Active-Halt,  
Wait and Slow  
■ Interrupt Management  
■ 3 Communications Interfaces  
– Nested interrupt controller  
– SPI synchronous serial interface  
– SCI asynchronous serial interface  
– I C multimaster interface  
– 14 interrupt vectors plus TRAP and RESET  
– Top Level Interrupt (TLI) pin on 64-pin devices  
– 15/9 external interrupt lines (on 4 vectors)  
■ Up to 48 I/O Ports  
2
■ 1 Analog peripheral (low current coupling)  
– 10-bit ADC with up to 16 robust input ports  
■ Instruction Set  
– 48/32/24 multifunctional bidirectional I/O lines  
– 34/22/17 alternate function lines  
– 16/12/10 high sink outputs  
■ 5 Timers  
– 8-bit Data Manipulation  
– 63 Basic Instructions  
– 17 main Addressing Modes  
– 8 x 8 Unsigned Multiply Instruction  
■ Development Tools  
– Main Clock Controller with: Real time base,  
Beep and Clock-out capabilities  
– Configurable watchdog timer  
– Two 16-bit timers with: 2 input captures, 2 out-  
put compares, external clock input on one tim-  
er, PWM and pulse generator modes  
– Full hardware/software development package  
– In-Circuit Testing capability  
Table 1. Device Summary  
ST72321BAR9/ ST72321BR9/  
ST72321BAR7/ ST72321BR7/  
ST72321BJ7  
ST72321BAR6/ ST72321BR6/  
ST72321BJ6/ST72321BK6  
Features  
ST72321BJ9  
Program memory -  
FLASH/ROM 60K  
bytes  
FLASH/ROM 48K  
FLASH/ROM 32K  
1024 (256)  
RAM (stack) - bytes  
Operating Voltage  
Temp. Range  
2048 (256)  
1536 (256)  
3.8V to 5.5V  
up to -40°C to +125°C  
Package  
LQFP64 10x10 (AR),LQFP64 14x14 (R), LQFP44 10x10 (J), LQFP32 7x7 (K)  
October 2008  
Rev 5  
1/187  
1
1234567...187

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