Brother International HL 5030 Service Manual - Page 73
USB, Stores the data received from the PC into DRAM as controlled by the DMA controller.
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HL-5030/5040/5050/5070N SERVICE MANUAL The functions of the interface block communication with external devices are described below; 1.3.2 USB Stores the data received from the PC into DRAM as controlled by the DMA controller. The transmission speed is 480Mbps or 12Mbps. 0V U5 TP1010 R24 USBVCC 2C 1M 187 USB_HSDP 188 USB_HSDM USBVCC 3C 195 USBVCC 190 USB_FSDP 191 USB_FSDM TP1011 R28 39 TP1012 R27 39 C49 TP718 R69 226 C270 1 680 X1 C48 0V 2 UCKOUT R67 1M 223 UCKIN USBRPU USBEXT12 186 TP1013 R25 183 TP1014 R26 C20 1.5k 12k C103 C270 AT-49 12.00MHz VDD3 0V C34 C101 R23 22k 1 L20 2 USB CN4 UBR23-4K5200 4 3 0V 1 VCC 3 +DATA 2 -DATA 4 GND 5 FG IF_FG3 6 FG Aurora Fig. 3-5 R99 1M C72 C101 R44 22k USBVCC 2C C86 R102 TP718 C270 1 680 X2 C85 0V 2 C270 AT-49 12.000MHZ 0V U7 195 USBVCC 226 UCKOUT 223 UCKIN 187 USB_HSDP 188 USB_HSDM 190 USB_FSDP 191 USB_FSDM TP1003 R47 USBVCC 1C 1M TP1004 TP1005 R66 39 R65 39 186 USBRPU 183 USBEXT12 TP1006 TP1007 R56 R57 C57 1.5k 12k C103 Aurora VDD3 0V Fig. 3-6 L24 1 2 USB CN3 UBR23-4K5200 1 VCC 4 3 +DATA 3 2 -DATA 0V 4 GND 5 FG IF_FG3 6 FG 3-5