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W78L365A24DL Datasheet(PDF) 11 Page - Winbond |
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W78L365A24DL Datasheet(HTML) 11 Page - Winbond |
11 / 42 page W78LE365/W78L365A Publication Release Date: January 10, 2007 - 11 - Revision A7 XICON - external interrupt control (C0H) PX3 EX3 IE3 IT3 PX2 EX2 IE2 IT2 PX3: External interrupt 3 priority high if set EX3: External interrupt 3 enable if set IE3: If IT3 = 1, IE3 is set/cleared automatically by hardware when interrupt is detected/serviced IT3: External interrupt 3 is falling-edge/low-level triggered when this bit is set/cleared by software PX2: External interrupt 2 priority high if set EX2: External interrupt 2 enable if set IE2: If IT2 = 1, IE2 is set/cleared automatically by hardware when interrupt is detected/serviced IT2: External interrupt 2 is falling-edge/low-level triggered when this bit is set/cleared by software Eight-source interrupt information: INTERRUPT SOURCE VECTOR ADDRESS POLLING SEQUENCE WITHIN PRIORITY LEVEL ENABLE REQUIRED SETTINGS INTERRUPT TYPE EDGE/LEVEL External Interrupt 0 03H 0 (highest) IE.0 TCON.0 Timer/Counter 0 0BH 1 IE.1 - External Interrupt 1 13H 2 IE.2 TCON.2 Timer/Counter 1 1BH 3 IE.3 - Serial Port 23H 4 IE.4 - Timer/Counter 2 2BH 5 IE.5 - External Interrupt 2 33H 6 XICON.2 XICON.0 External Interrupt 3 3BH 7 (lowest) XICON.6 XICON.3 P4CONB (C3H) BIT NAME FUNCTION 7, 6 P43FUN1 P43FUN0 00: Mode 0. P4.3 is a general purpose I/O port which is the same as Port1. 01: Mode 1. P4.3 is a Read Strobe signal for chip select purpose. The address range depends on the SFR P43AH, P43AL, P43CMP1 and P43CMP0. 10: Mode 2. P4.3 is a Write Strobe signal for chip select purpose. The address range depends on the SFR P43AH, P43AL, P43CMP1 and P43CMP0. 11: Mode 3. P4.3 is a Read/Write Strobe signal for chip select purpose. The address range depends on the SFR P43AH, P43AL, P43CMP1, and P43CMP0. |
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