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EPC901 数据表(PDF) 21 Page - Espros Photonics corp |
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EPC901 数据表(HTML) 21 Page - Espros Photonics corp |
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21 / 37 page ![]() BW_VIDEO_CONF_I2C / BW_VIDEO_CONF_EFF Bit no. 7 6 5 4 3 2 1 0 Bit name n/a n/a n/a n/a BW_VIDEO_1 BW_VIDEO_0 Operation n/a n/a n/a n/a R/W R/W Default n/a n/a n/a n/a 0x1 0x1 Table 7: Description of register BW_VIDEO_CONF_I2C, BW_VIDEO_CONF_EFF BW_VIDEO_1, BW_VIDEO_0: 1000 or 1100: Low video bandwidth (referred to as 4 MHz, see section 4.4.) 1010 or 1111: Min. video bandwidth (referred to as 1 MHz, see section 4.4.) 0101 or others: Max. video bandwidth (referred to as 16 MHz, see section 4.4.) 0010 or 0011: High video bandwidth (referred to as 8 MHz, see section 4.4.) MISC_CONF Bit no. 7 6 5 4 3 2 1 0 Bit name SC_CMFB_ EN n/a n/a n/a n/a VIDEO_AMP _PD_OVR_ EN VIDEO_AMP _PD_OVR RD_CONF_ CTRL Operation R/W R/W R/W R/W R/W R/W R/W R/W Default for versions < -032 Default from version -032 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 Table 8: Description of register MISC_CONF Register Name Description 1 0 SC_CMFB_EN Disabled: Video amplifier to use continuous-time common-mode feedback Enabled: Video amplifier to use switched-capacitor common-mode feedback Note: This bit has to be enabled in conjunction with enabling bit AMP_PHY_IDLE_EN in register FORCE_ANA_CTRL_SIGS (see Ta- ble 23) enabled disabled n/a n/a; do not change n/a default n/a n/a; do not change n/a default n/a n/a; do not change enabled disabled n/a n/a; do not change enabled disabled VIDEO_AMP_PD_OVR_EN Enable/disable whether the register bit VIDEO_AMP_PD_OVR is ef- fective enabled disabled VIDEO_AMP_PD_OVR Video amplifier power down. This bit is only effective if register bit VIDEO_AMP_PD_OVR_EN is set Video amp off Video amp on RD_CONF_CTRL Selects the control of the configuration Use configura- tion registers Use configura- tion pins Table 9: Description of register setting MISC_CONF © 2016 ESPROS Photonics Corporation Characteristics subject to change without notice 21 / 37 Datasheet_epc901-V5.6 www.espros.com |
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