參數(shù)資料
型號(hào)： ST62T60C
廠商： 意法半導(dǎo)體
英文描述： 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, SAFE RESET, AUTO-RELOAD TIMER, EEPROM AND SPI
中文描述： 8位檢察官辦公室/存儲(chǔ)器與阿微控制器/ D轉(zhuǎn)換器，安全復(fù)位，自動(dòng)重加載定時(shí)器，EEPROM和的SPI
文件頁(yè)數(shù)： 44/86頁(yè)
文件大小： 559K
代理商： ST62T60C
44/86
44
ST62T53C/T60C/T63C ST62E60C
TIMER
(Cont’d)
4.2.1 Timer Operation
The Timer prescaler is clocked by the prescaler
clock input (f
INT
÷
12).
The user can select the desired prescaler division
ratio through the PS2, PS1, PS0 bits. When the
TCR count reaches 0, it sets the TMZ bit in the
TSCR. The TMZ bit can be tested under program
control to perform a timer function whenever it
goes high.
4.2.2 Timer Interrupt
When the counter register decrements to zero with
the ETI (Enable Timer Interrupt) bit set to one, an
interrupt request associated with Interrupt Vector
#3 is generated. When the counter decrements to
zero, the TMZ bit in the TSCR register is set to
one.
4.2.3 Application Notes
TMZ is set when the counter reaches zero; howev-
er, it may also be set by writing 00h in the TCR
register or by setting bit 7 of the TSCR register.
The TMZ bit must be cleared by user software
when servicing the timer interrupt to avoid unde-
sired interrupts when leaving the interrupt service
routine. After reset, the 8-bit counter register is
loaded with 0FFh, while the7-bit prescaler is load-
ed with 07Fh, and the TSCR register is cleared.
This means that the Timer is stopped (PSI=“0”)
and the timer interrupt is disabled.
Figure 27. Timer Working Principle
BIT0
BIT1
BIT2
BIT3
BIT6
BIT5
BIT4
CLOCK
7-BIT PRESCALER
8-1 MULTIPLEXER
8-BIT COUNTER
BIT0
BIT1
BIT2
BIT3
BIT4
BIT5
BIT6
BIT7
1
0
2
3
4
5
6
7
PS0
PS1
PS2
VA00186
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參數(shù)描述
ST62T60CB6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST62T60CB6 制造商:STMicroelectronics 功能描述:8BIT MCU OTP 4K+EEPROM 62T60 DIP
ST62T60CM3 制造商:STMicroelectronics 功能描述:MCU 8BIT ST6 CISC 3884BYTE EPROM 5V 20SOIC - Rail/Tube
ST62T60CM6 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ST62T60CM6/TR 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:ST62T60CM6/TR - Tape and Reel
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