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HD6433394 데이터시트(PDF) 52 Page - Renesas Technology Corp |
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HD6433394 데이터시트(HTML) 52 Page - Renesas Technology Corp |
52 / 747 page 22 Pin No. Type Symbol FP-80A, TFP-80C CP-84, CG-84 I/O Name and Function Host interface (HIF) (H8/3337 Series only) HDB 0 to HDB 7 65 to 72 79 to 84, 1, 3 I/O Host interface data bus: 8-bit bidirectional bus by which a host processor accesses the host interface. CS 1, CS 2 76, 79 7, 10 I Chip select 1 and 2: Input pins for selecting host interface channels 1 and 2. IOR 77 8 I I/O read: Read strobe input pin for the host interface. IOW 78 9 I I/O write: Write strobe input pin for the host interface. HA 0 74 5 I Command/data: Input pin indicating data access or command access. GA 20 75 6 O Gate A 20: A20 gate control signal output pin. HIRQ 1 HIRQ 11 HIRQ 12 43 42 44 56 55 57 O Host interrupts 1, 11, and 12: Output pins for interrupt request signals to the host processor. Keyboard control KEYIN 0 to KEYIN 7 21 to 28 33 to 40 I Keyboard input: Input pins from a matrix keyboard. (Keyboard scan signals are normally output from P1 0 to P1 7 and P20 to P2 7, allowing a maximum 16 × 8 key matrix. The number of keys can be further increased by use of other output ports.) Host interface (if enabled when ECS 2 20 32 I Host chip select 2: Input pin for selecting host interface channel 2. STAC bit is 1 in STCR) (H8/3337 Series only) EIOW 19 31 I I/O write: Write strobe input pin for the host interface. A/D converter AN 7 to AN 0 37 to 30 50 to 43 I Analog input: Analog signal input pins for the A/D converter. ADTRG 20 32 I A/D trigger: External trigger input for starting the A/D converter. D/A converter (H8/3337 Series only) DA 0 DA 1 36 37 49 50 O Analog output: Analog signal output pins for the D/A converter. |
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