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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PC8374L датащи(PDF) 74 Page - National Semiconductor (TI) |
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PC8374L датащи(HTML) 74 Page - National Semiconductor (TI) |
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74 / 239 page  3.0 Device Architecture and Configuration (Continued) www.national.com 74 Revision1.1 3.14.2 Logical Device 7 (GPIO) Configuration Table 30 lists the configuration registers that affect the GPIO. Only the last five registers (F0h-F3h and F8h) are described here. See Section 3.2.3 on page 39 for a detailed description of the other configuration registers. The standard configuration registers are powered by VDD3; however, the specific configuration registers are powered by VSB3. Figure 10 shows the organization of registers GPCFG1-2, GPEVR and GPMODE: Figure 10. Organization of GPIO Pin Registers GPCFG1-2, GPEVR and GPMODE Table 30. GPIO Configuration Register Index Configuration Register or Action Type Power Well Reset 30h Activate (see Section 3.2.3 on page 39). R/W VDD3 00h 50h Memory Base Descriptor. R/W VDD3 00h 60h Base Address MSB register. R/W VDD3 00h 61h Base Address LSB register. Bits 4-0 (for A4-0) are read-only, ‘00000’. R/W VDD3 00h 70h Interrupt Number and Wake-Up on IRQ Enable register. R/W VDD3 00h 71h Interrupt Type. Bit 1 is read/write. Other bits are read-only. R/W VDD3 03h 74h Report no DMA assignment. RO VDD3 04h 75h Report no DMA assignment. RO VDD3 04h F0h GPIO Pin Select register (GPSEL). R/W VSB3 00h F1h GPIO Pin Configuration register 1 (GPCFG1). Varies per bit VSB3 See text F2h GPIO Pin Event Routing register (GPEVR). R/W or RO VSB3 00h F3h GPIO Pin Configuration register 2 (GPCFG2). R/W or RO VSB3 See text F8h GPIO Mode Select register (GPMODE). R/W or RO VSB3 01h Port 1, Pin 0 GPIO Pin Configuration Registers Pin Select Port Select Port 0, Pin 0 GPIO Pin Select Register GPIO Pin Event Routing Register Port 0, Pin 7 Port 0 Port 1 Pin 0 Pin 7 Port 1, Pin 0 Pin 0 Pin 7 Port 0, Pin 0 Port 0, Pin 7 (Index F0h) (Index F1h) (Index F2h) (Index F3h) Port 0 Port 1 Winbond Electronics Corp. Advanced PC Product Center |
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