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參數(shù)資料
| 型號(hào)： | MB90F482 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16位微控制器專有 |
| 文件頁數(shù)： | 46/120頁 |
| 文件大小： | 1241K |
| 代理商： | MB90F482 |
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MB90480/485 Series
46
6.
8/16-bit up/down Counter/Timer
8/16-bit up/down counter/timer consists of up/down counter/timer circuits including six event input pins, two
8-bit up/down counters, two 8-bit reload/compare registers, as well as the related control circuits.
(1) Principal Functions
8-bit count register enables counting in the range 0 to 256.
(In 16-bit
×
1 mode, counting is enabled in the range 0 to 65535)
Count clock selection provides four count modes.
Count modes
Timer mode
In timer mode, there is a choice of two internal count clock signals.
Count clock
125 ns (8 MHz :
×
2)
In up/down count mode, there is a choice of trigger edge detection for the input signal from external pins.
Edge detection
Falling edge detection
In phase differential count mode, to handle encoder counting for motors, the encoder A-phase, B-phase, and
Z-phase are each input, enabling easy and highly accurate counting of angle of rotation, speed of rotation, etc.
The ZIN pin provides a selection of two functions.
ZIN pin
Counter clear function
A compare function and reload function are provided, each for use separately or in combination. Both functions
can be activated together for up/down counting in any desired bandwidth.
Compare/reload function
Compare function (output interrupt at compare events)
Compare function (output interrupt and clear counter at compare
events)
Reload function (output interrupt and reload at underflow events)
Individual control over interrupts at compare, reload (underflow) and overflow events.
Count direction flag enables identification of the last previous count direction.
Interrupt generated when count direction changes.
Up/down count mode
Phase differential down count mode (
×
2)
Phase differential down count mode (
×
8)
(at 16 MHz operation)
0.5
μ
s (2 MHz :
×
8)
Rising edge detection
Both rising/falling edge detection
Edge detection disabled
Gate functions
Compare/reload function
(output interrupt and clear counter at compare events, output interrupt
and reload at underflow events)
Compare/reload disabled
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| MB90F482PFR-GE1 | 制造商:FUJITSU 功能描述: |
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| MB90F497GPMC-GE1 | 功能描述:IC MCU 16BIT 制造商:cypress semiconductor corp 系列:F2MC-16LX MB90495G 包裝:托盤 零件狀態(tài):在售 核心處理器:F2MC-16LX 核心尺寸:16-位 速度:16MHz 連接性:CAN，EBI/EMI，SCI，UART/USART 外設(shè):POR，WDT I/O 數(shù):49 程序存儲(chǔ)容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 容量:- RAM 容量:2K x 8 電壓 - 電源（Vcc/Vdd）:4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x8/10b 振蕩器類型:外部 工作溫度:-40°C ~ 105°C（TA） 封裝/外殼:64-LQFP 供應(yīng)商器件封裝:64-LQFP（12x12） 標(biāo)準(zhǔn)包裝:119 |
| MB90F497GPMCR-G | 制造商:FUJITSU 功能描述: |
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