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參數(shù)資料
| 型號： | 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/存儲器與阿微控制器/ D轉(zhuǎn)換器，安全復(fù)位，自動重加載定時器，EEPROM和的SPI |
| 文件頁數(shù)： | 43/86頁 |
| 文件大?。?/td> | 559K |
| 代理商： | ST62T60C |
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ST62T53C/T60C/T63C ST62E60C
4.2 TIMER
The MCU features an on-chip Timer peripheral,
consisting of an 8-bit counter with a 7-bit program-
mable prescaler, giving a maximum count of 2
15
.
Figure 26 shows the Timer Block Diagram. The
content of the 8-bit counter can be read/written in
the Timer/Counterregister, TCR, which can be ad-
dressed in Data space as a RAM location at ad-
dress 0D3h. The state of the7-bit prescaler canbe
read in the PSC register at address 0D2h. The
control logic device is managed in the TSCR reg-
ister as described in thefollowing paragraphs.
The 8-bit counter is decrement by the output (ris-
ing edge) coming from the 7-bit prescaler and can
be loaded and read under program control. When
it decrements to zero then the TMZ (Timer Zero)bit
in the TSCR is set. If the ETI (Enable Timer Inter-
rupt) bit in the TSCR is also set, an interrupt re-
quest is generated. The Timer interrupt can be
used to exit the MCU from WAIT mode.
The prescaler input is the internal frequency (f
INT
)
divided by 12. The prescaler decrements on the
rising edge. Depending on the division factor pro-
grammed by PS2, PS1 and PS0 bits in the TSCR
(see Figure 12), the clock input of the timer/coun-
ter register is multiplexed to different sources. For
division factor 1, the clock input of the prescaler is
also that of timer/counter; for factor 2, bit 0 of the
prescaler registeris connected to the clock input of
TCR. This bit changes its state at half the frequen-
cy of the prescaler input clock. For factor 4, bit 1 of
the PSC is connected to the clock input of TCR,
and so forth. The prescaler initializebit, PSI, in the
TSCR register must be set to allow the prescaler
(and hence the counter) to start. If it is cleared, all
the prescaler bits are set and the counter is inhib-
ited from counting. The prescaler can be loaded
with any value between 0 and 7Fh,if bit PSI is set.
The prescaler tap is selected by means of the
PS2/PS1/PS0 bits in the control register.
Figure 27 illustrates the Timer’s working principle.
Figure 26. Timer Block Diagram
DATA BUS
8-BIT
COUNTER
STATUS/CONTROL
REGISTER
INTERRUPT
LINE
VR02070A
3
8
8
8
6
5
4
3
2
1
0
SELECT
1 OF 7
12
b7 b6
b5
b4
b3
b2
b1
b0
TMZ ETI D5
D4
PSI PS2 PS1 PS0
f
INT
PSC
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| ST63E85 | 8-Bit EPROM/OTP MCUs With On-Screen-Display For TV Tuning(應(yīng)用于電視調(diào)諧帶屏幕顯示的8位EPROM/OTP微控制器) |
| ST63E87 | 8-Bit EPROM/OTP MCUs With On-Screen-Display For TV Tuning(應(yīng)用于電視調(diào)諧帶屏幕顯示的8位EPROM/OTP微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
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 最大時鐘頻率:50 MHz 程序存儲器大小: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 最大時鐘頻率:50 MHz 程序存儲器大小: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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