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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BCM4354 датащи(PDF) 123 Page - Cypress Semiconductor |
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BCM4354 датащи(HTML) 123 Page - Cypress Semiconductor |
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123 / 192 page  Broadcom® October 15, 2014 • 4354-DS109-R Page 122 I/O States BROADCOM CONFIDENTIAL BCM4354 Data Sheet I/O States The following notations are used in Table 28: “I/O States,” on page 122: I: Input signal O: Output signal I/O: Input/Output signal PU = Pulled up PD = Pulled down NoPull = Neither pulled up nor pulled down Note: Where applicable, the default value is shown in bold brackets (for example, [default value]. Table 28: I/O States Name I/O Keepera Active Mode Low Power State/Sleep (All Power Present) Power-downb (BT_REG_ON and WL_REG_ON Held Low) Out-of-Reset; Before SW Download (BT_REG_ON High; WL_REG_ON High) (WL_REG_ON High and BT_REG_ON Low) and VDDIOs Are Present Power Rail WL_REG_ON I N I: PD Pull-down can be disabled I: PD Pull-down can be disabled I: PD (of 200K) I: PD (of 200K) I: PD (of 200K) – BT_REG_ON CLK_REQ I/O Y Open drain or push-pull Programmable Active high Open drain or push-pull Programmable Active high High-Z, NoPull Open drain Active high Open drain Active high BT_VDDIO BT_HOST_WAKE I/O Y I/O: PU, PD, NoPull Programmable I/O: PU, PD, NoPull Programmable High-Z, NoPull I: PD I: PD BT_DEV_WAKE BT_GPIO 5 BT_GPIO 4 I: Floating, but input disabled BT_GPIO 2, 3 I: PU I: PU BT_UART_CTS I Y I: NoPull; PU programmable I: NoPull High-Z, NoPull I: PU I: PU BT_UART_RTS O O: NoPull O: NoPull BT_UART_RXD I I: PU I: NoPull BT_UART_TXD O O: NoPull O: NoPull |
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