- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄300042 > TS87C52X2-MCKB (ATMEL CORP) 8-BIT, UVPROM, 40 MHz, MICROCONTROLLER, CQCC44 PDF資料下載
參數(shù)資料
| 型號： | TS87C52X2-MCKB |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, UVPROM, 40 MHz, MICROCONTROLLER, CQCC44 |
| 封裝： | WINDOWED, CERAMIC, QPJ-44 |
| 文件頁數(shù)： | 5/56頁 |
| 文件大?。?/td> | 689K |
| 代理商： | TS87C52X2-MCKB |
第1頁第2頁第3頁第4頁當(dāng)前第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁
Rev. C - Aug. 31, 1999
13
TS80C52X2
6.3 Timer 2
The timer 2 in the
TS80C52X2 is compatible with the timer 2 in the 80C52.
It is a 16-bit timer/counter: the count is maintained by two eight-bit timer registers, TH2 and TL2, connected in
cascade. It is controlled by T2CON register (See Table 6) and T2MOD register (See Table 7). Timer 2 operation
is similar to Timer 0 and Timer 1. C/T2 selects FOSC/12 (timer operation) or external pin T2 (counter operation)
as the timer clock input. Setting TR2 allows TL2 to be incremented by the selected input.
Timer 2 has 3 operating modes: capture, autoreload and Baud Rate Generator. These modes are selected by the
combination of RCLK, TCLK and CP/RL2 (T2CON), as described in the TEMIC 8-bit Microcontroller Hardware
description.
Refer to the TEMIC 8-bit Microcontroller Hardware description for the description of Capture and Baud Rate
Generator Modes.
In
TS80C52X2 Timer 2 includes the following enhancements:
q
Auto-reload mode with up or down counter
q
Programmable clock-output
6.3.1 Auto-Reload Mode
The auto-reload mode configures timer 2 as a 16-bit timer or event counter with automatic reload. If DCEN bit
in T2MOD is cleared, timer 2 behaves as in 80C52 (refer to the TEMIC 8-bit Microcontroller Hardware description).
If DCEN bit is set, timer 2 acts as an Up/down timer/counter as shown in Figure 4. In this mode the T2EX pin
controls the direction of count.
When T2EX is high, timer 2 counts up. Timer overflow occurs at FFFFh which sets the TF2 flag and generates
an interrupt request. The overflow also causes the 16-bit value in RCAP2H and RCAP2L registers to be loaded
into the timer registers TH2 and TL2.
When T2EX is low, timer 2 counts down. Timer underflow occurs when the count in the timer registers TH2 and
TL2 equals the value stored in RCAP2H and RCAP2L registers. The underflow sets TF2 flag and reloads FFFFh
into the timer registers.
The EXF2 bit toggles when timer 2 overflows or underflows according to the the direction of the count. EXF2
does not generate any interrupt. This bit can be used to provide 17-bit resolution.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TS80C32X2-MICD | 8-BIT, 40 MHz, MICROCONTROLLER, PDIP40 |
| TS80C32X2-VCEB | 8-BIT, 40 MHz, MICROCONTROLLER, PDIP40 |
| TS80C52X2-ECED | 8-BIT, MROM, MICROCONTROLLER, PQFP44 |
| TS80C52X2-VIBB | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP44 |
| TS914AIYDT | QUAD OP-AMP, 7000 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS87C52X2-MCKD | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS87C52X2-MCKR | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS87C52X2-MIA | 功能描述:IC MCU 8BIT 8K OTP 40MHZ 40-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:87C 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲器容量:32KB（32K x 8） 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝:管件 |
| TS87C52X2-MIAB | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
| TS87C52X2-MIAD | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。