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SAA7356HL Datasheet(PDF) 6 Page - NXP Semiconductors |
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SAA7356HL Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 36 page 2000 Nov 17 6 Philips Semiconductors Preliminary specification 1394 SBP-2 link layer controller SAA7356HL DMA_WRITE 38 I /O DMA write strobe input/output (may be configured for active HIGH or active LOW) PHY_CTRL[1] 39 I /O PHY control line input/output (1); note 4 PHY_CTRL[0] 40 I /O PHY control line input/output (0); note 4 PHY_DATA[0] 41 I /O PHY data input/output (bit 0); notes 4, 5 and 6 PHY_DATA[1] 42 I /O PHY data input/output (bit 1); notes 4 and 5 PHY_DATA[2] 43 I /O PHY data input/output (bit 2); notes 4 and 5 PHY_DATA[3] 44 I /O PHY data input/output (bit 3); notes 4 and 5 VSS4(P) 45 S ground 4 for periphery VDD4(P) 46 S supply voltage 4 for periphery PHY_DATA[4] 47 I /O PHY data input/output (bit 4); notes 4 and 5 PHY_DATA[5] 48 I /O PHY data input/output (bit 5); notes 4 and 5 PHY_DATA[6] 49 I /O PHY data input/output (bit 6); notes 4 and 5 PHY_DATA[7] 50 I /O PHY data input/output (bit 7); notes 4 and 5 VDD5(P) 51 S supply voltage 5 for periphery VSS5(P) 52 S ground 5 for periphery PHY_SCLK 53 I PHY system clock input (49.152 MHz) MICRO_SEL[0] 54 I microcontroller select (0) input; selects microcontroller interface; note 10 PHY_LREQ 55 O PHY-Link request output (used to request arbitration or read/write PHY registers); note 4 PHY_ISO 56 I PHY isolation barrier input (active LOW). Negated HIGH when the Link and PHY are directly connected or when bus-holder isolation is used; note 4 MICRO_SEL[1] 57 I microcontroller select (1) input; selects microcontroller interface; note 10 1394_MODE 58 I /O note 7 RESET 59 I asynchronous master reset input to the SAA7356HL (active LOW) TC 60 − reserved for factory testing; for normal operation should be connected to ground BT 61 − reserved for factory testing; for normal operation should be connected to ground MICRO_CS 62 I microcontroller chip select input (active LOW) VDD3(C) 63 S supply voltage 3 for core VSS3(C) 64 S ground 3 for core MICRO_INT 65 O microcontroller interrupt open-drain output (active LOW) MICRO_WRITE 66 I microcontroller write strobe input (active LOW) MICRO_READ 67 I microcontroller read strobe input (active LOW) MICRO_ALE 68 I microcontroller address latch enable input; note 8 VSS6(P) 69 S ground 6 for periphery VDD6(P) 70 S supply voltage 6 for periphery MICRO_DATA[0] 71 I /O microcontroller data input/output [bit 0); note 9 MICRO_DATA[1] 72 I /O microcontroller data input/output (bit 1); note 9 MICRO_DATA[2] 73 I /O microcontroller data input/output (bit 2); note 9 MICRO_DATA[3] 74 I /O microcontroller data input/output (bit 3); note 9 SYMBOL PIN TYPE(1) DESCRIPTION |
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