w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 149

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• Manufacturer: Winbond Electronics Corp America

14.4 Logical Device 2 (UART A)¢)
CR30 (Default 0x01 if PNPCSV = 0 during POR, default 0x00 otherwise)
CR60, CR 61 (Default 0x03, 0xF8 if PNPCSV = 0 during POR, default 0x00, 0x00 otherwise)
CR70 (Default 0x04 if PNPCSV = 0 during POR, default 0x00 otherwise)
CRF0 (Default 0x00)
14.5 Logical Device 3 (UART B)
CR30 (Default 0x01 if PNPCSV = 0 during POR, default 0x00 otherwise)
CR60, CR 61 (Default 0x02, 0xF8 if PNPCSV = 0 during POR, default 0x00, 0x00 otherwise)
Bit 7 - 1
Bit 0
Bit 7 - 4
Bit 3 - 0
Bit 7 - 2
Bit 1 - 0
Bit 7 - 1
Bit 0
These two registers select Serial Port 1 I/O base address [0x100:0xFF8] on 8 byte boundary.
These two registers select Serial Port 2 I/O base address [0x100:0xFF8] on 8 byte boundary.
: Reserved.
= 1
= 0
= 010 ECP mode
= 011 ECP and EPP - 1.9 mode
= 111 ECP and EPP - 1.7 mode.
: Reserved.
= 1
= 0
: Reserved.
: These bits select IRQ resource for Serial Port 1.
: Reserved.
: SUACLKB1, SUACLKB0
= 00
= 01
= 10
= 11
Activates the logical device.
Logical device is inactive.
Activates the logical device.
Logical device is inactive.
UART A clock source is 1.8462 Mhz (24MHz/13)
UART A clock source is 2 Mhz (24MHz/12)
UART A clock source is 24 Mhz (24MHz/1)
UART A clock source is 14.769 Mhz (24MHz/1.625)
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W83977ATF/W83977ATG
Publication Release Date: May 2006
Revision 0.6