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參數(shù)資料
| 型號： | TMP86FS49BUG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 20/54頁 |
| 文件大?。?/td> | 2519K |
| 代理商： | TMP86FS49BUG |
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Page 10
2. Operational Description
2.2 System Clock Controller
TMP86FS49BUG
The data memory contents become unstable when the power supply is turned on; therefore, the data memory
should be initialized by an initialization routine.
2.2 System Clock Controller
The system clock controller consists of a clock generator, a timing generator, and a standby controller.
Figure 2-2 System Colck Control
2.2.1 Clock Generator
The clock generator generates the basic clock which provides the system clocks supplied to the CPU core
and peripheral hardware. It contains two oscillation circuits: One for the high-frequency clock and one for the
low-frequency clock. Power consumption can be reduced by switching of the standby controller to low-power
operation based on the low-frequency clock.
The high-frequency (fc) clock and low-frequency (fs) clock can easily be obtained by connecting a resonator
between the XIN/XOUT and XTIN/XTOUT pins respectively. Clock input from an external oscillator is also
possible. In this case, external clock is applied to XIN/XTIN pin with XOUT/XTOUT pin not connected.
Example :Clears RAM to “00H”. (TMP86FS49BUG)
LD
HL, 0040H
; Start address setup
LD
A, H
; Initial value (00H) setup
LD
BC, 07FFH
SRAMCLR:
LD
(HL), A
INC
HL
DEC
BC
JRS
F, SRAMCLR
TBTCR
SYSCR2
SYSCR1
XIN
XOUT
XTIN
XTOUT
fc
0036H
0038H
0039H
fs
Timing generator control register
Timing
generator
Standby controller
System clocks
Clock generator control
High-frequency
clock oscillator
Low-frequency
clock oscillator
Clock
generator
System control registers
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| TMP86FS49BUG(C,JZ) | 功能描述:8位微控制器 -MCU INTEGRATED CIRCUIT MICROCONTROLLER - TLCS870C FAMILY 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 |
| TMP86FS49FG | 功能描述:IC MCU FLASH 8BIT 60K 64QFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:TLCS-870/C 標(biāo)準(zhǔn)包裝:160 系列:HCS12 核心處理器:HCS12 芯體尺寸:16-位 速度:25MHz 連通性:CAN，EBI/EMI，SCI，SPI 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):35 程序存儲器容量:128KB（128K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:4K x 8 電壓 - 電源 (Vcc/Vdd):2.35 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:52-LQFP 包裝:托盤 |
| TMP86FS64FG | 制造商:Toshiba America Electronic Components 功能描述:MCU 8BIT TLCS-870 CISC 60KB FLASH 5V 100PQFP - Bulk |
| TMP86FS64FG(TZ) | 功能描述:8位微控制器 -MCU 60K Flash MCU 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 |
| TMP86P202MG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:8 Bit Microcontroller |
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