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參數(shù)資料
| 型號(hào)： | TPS65920BZCHR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
| 封裝： | 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139 |
| 文件頁(yè)數(shù)： | 100/115頁(yè) |
| 文件大?。?/td> | 1232K |
| 代理商： | TPS65920BZCHR |
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VIO
PERIPH1
Device
VIO
PERIPH2
VIO
PERIPHn
CLKREQ
037-043
SWCS037G
– MAY 2008 – REVISED APRIL 2011
CLKREQ pin. As a result, the TPS65920/TPS65930 device immediately sets CLKEN to 1 to warn the
clock provider in the system about the clock request and starts a timer (maximum of 5.2 ms using the
32.768-kHz clock). When the timer expires, the TPS65920/TPS65930 device opens a gated clock, the
timer automatically reloads the defined value, and a high-frequency output clock signal is available
through the HFCLKOUT pin. The output drive of HFCLKOUT is programmable (minimum load 10 pF,
maximum load 40 pF) and must be at 40 pF by default.
With a register setting, the mirroring of CLKEN can be enabled on CLKEN2. When this mirroring feature is
not enabled, CLKEN2 can be used as a general-purpose output controlled through I2C accesses.
CLKREQ, when enabled, has a weak pulldown resistor to support the wired-OR clock request.
Figure 11-3 shows an example of the wired-OR clock request.
Figure 11-3. Example of Wired-OR Clock Request
The timer default value must be the worst case (10 ms) for the clock providers. For legacy or workaround
support, the NSLEEP1 and NSLEEP2 signals can also be used as a clock request even if it is not their
primary goal. By default, this feature is disabled and must be enabled individually by setting the register
bits associated with each signal.
Copyright
2008–2011, Texas Instruments Incorporated
Clock Specifications
85
focus.ti.com: TPS65930/TPS65920
相關(guān)PDF資料 |
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| TPS65920BZCH | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
| TPS65930A2ZCHR | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
| TPS65930A2ZCH | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
| TPS65930BZCHR | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
| TPS65930BZCH | SPECIALTY CONSUMER CIRCUIT, PBGA139 |
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| TPS65921B1ZQZ | 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS65921B1ZQZR | 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS65921BZQZ | 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS65921BZQZR | 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS65930A2ZCH | 功能描述:PMIC 解決方案 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
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