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PC8374L Datasheet(PDF) 90 Page - National Semiconductor (TI) |
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PC8374L Datasheet(HTML) 90 Page - National Semiconductor (TI) |
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90 / 239 page  4.0 System Wake-Up Control (SWC) (Continued) www.national.com 90 Revision1.1 4.3 SWC REGISTERS The offsets of the SWC registers are related to the base address determined by the SWC Base Address register at indexes 60h-61h in the SWC Logical Device configuration. The following abbreviations are used to indicate the Register Type: ● R/W = Read/Write. ● R = Read from register (data written to this address is sent to a different register). ● W = Write (see above). ● RO = Read-only. ● WO = Write-only. Reading from the bit returns 0. ● R/W1C = Read/Write 1 to Clear. Writing 1 to a bit clears it to 0. Writing 0 has no effect. ● R/W1S = Read/Write 1 to Set. Writing 1 to a bit sets its value to 1. Writing 0 has no effect. 4.3.1 SWC Register Map The following table lists the SWC registers. For the SWC register bitmap, see Section 4.5 on page 107. The SWC registers are VSB3 powered. Table 36. SWC Register Map Offset Option1 1. Selected by LED_OPT field in SWC_CTL register. Mnemonic Register Name Type Power Well Section 00h LED_OPT = 01 SLEDCTL Standard LED Control R/W or RO VSB3 4.3.2 LED_OPT = other Reserved 01h SWC_CTL SWC Miscellaneous Control Varies per bit Varies per bit 4.3.3 02h LED_OPT = 00 ALEDCTL Advanced LED Control R/W or RO VSB3 4.3.4 LED_OPT = 10 XLEDCTL Special LED Control R/W or RO VDD3 4.3.5 LED_OPT = other Reserved 03h LED_OPT = 00 LEDBLNK LED Blinking Control R/W or RO VSB3 4.3.6 LED_OPT = other Reserved 04h KBDWKCTL Keyboard Wake-Up Control R/W or RO VSB3 4.3.7 05h PS2CTL PS2 Protocol Control R/W or RO VSB3 4.3.8 06h KDSR Keyboard Data Shift-Register RO VSB3 4.3.9 07h MDSR Mouse Data Shift-Register RO VSB3 4.3.10 08h PS2KEY0 PS2 Keyboard Key Data 0 R/W, RO VSB3 4.3.11 09h PS2KEY1 PS2 Keyboard Key Data 1 R/W, RO VSB3 4.3.11 0Ah PS2KEY2 PS2 Keyboard Key Data 2 R/W, RO VSB3 4.3.11 0Bh PS2KEY3 PS2 Keyboard Key Data 3 R/W, RO VSB3 4.3.11 0Ch PS2KEY4 PS2 Keyboard Key Data 4 R/W, RO VSB3 4.3.11 0Dh PS2KEY5 PS2 Keyboard Key Data 5 R/W, RO VSB3 4.3.11 0Eh PS2KEY6 PS2 Keyboard Key Data 6 R/W, RO VSB3 4.3.11 0Fh PS2KEY7 PS2 Keyboard Key Data 7 R/W, RO VSB3 4.3.11 Winbond Electronics Corp. Advanced PC Product Center |
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