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參數(shù)資料
| 型號(hào)： | SY87729LHI |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SYNTHESIZER FRACT 3.3V 32TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | AnyClock® |
| 類型： | 分?jǐn)?shù)合成器 |
| PLL： | 是 |
| 主要目的： | 以太網(wǎng)，光纖通道，SONET/SDH/ATM |
| 輸入： | PECL |
| 輸出： | PECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 365MHz |
| 電源電壓： | 3.15 V ~ 3.45 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-EPAD-TQFP |
| 包裝： | 托盤 |
| 配用： | 576-1404-ND - BOARD EVAL N SY87729 EXPERIMENT |
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2012 Microchip Technology Inc.
Preliminary
DS22300A-page 13
MCP7952X/MCP7951X
REGISTER 5-4:
HOUR 0X03
R/W
CALSGN
12/24
10 Hour
AM/PM
10 Hour
Hour
bit 7
bit 6
bit 5
bit 4
bit 3
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
bit 7
CALSGN: Calibration Sign bit
Bit 7 is the sign bit (CALSGN) for the calibration. Clearing this bit produces a positive calibration,
setting this bit produces a negative calibration.
bit 6
12/24: Clearing this bit to ‘0’ enables 24-hour format, setting this bit to ‘1’ enables 12-hour format.
bit 5
10 HOUR: AM/PM bit for 12-hour time
bit 4
10 HOUR
bit 3-0
HOUR<3:0>
Note 1:
Contains the BCD hour in bits <3:0>. Bits <5:4> contain either the 10-hour in BCD for 24-hour format or
the AM/PM indicator and the 10-hour bit for 12-hour format. Bit 5 determines the hour format.
REGISTER 5-5:
DAY 0X04
U-0
R
R/W
—
OSCON
VBAT
VBATEN
Day
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
bit 7-6
Unimplemented: Read as ‘0’
bit 5
OSCON: Oscillator On bit
This bit is set and cleared by hardware. If this bit is set, the oscillator is running; if
clear, the oscillator is not running. This bit does not indicate that the oscillator is running at the correct
frequency. The bit will wait 32 oscillator cycles before the bit is set.
bit 4
VBAT: External Battery Switched Flag bit
This bit is set by hardware when the VCC fails and the VBAT is used to power the oscillator and the
RTCC registers. This bit is cleared by software.
bit 3
VBATEN: External Battery Enable bit
If this bit is set the internal circuitry is connected to the VBAT pin. If this bit is ‘0’ then the VBAT pin is
disconnected and the only current drain on the external battery is the VBAT pin leakage.
bit 2-0
DAY<2:0>
Note 1:
Contains the BCD day. The range is 1-7. Also, additional bits are used for configuration and status.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY87729LHI-EVAL | 功能描述:BOARD EVAL N SY87729 EXPERIMENT RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:SuperCOM™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| SY87729LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER |
| SY87729LHY | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 365MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87729LHY TR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 365MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87729LHYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER |
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