W83697UG Nuvoton Technology Corporation of America, W83697UG Datasheet - Page 36

• Manufacturer Part Number: W83697UG
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83697UG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Supplier Unconfirmed, Lead free / RoHS Compliant

CR70 (Default 0x04 if PNPCSV = 0 during POR, default 0x00 otherwise)
CRF0 (Default 0x00)
6.8 Logical Device 3 (UART B)
CR30 (Default 0x01 if PNPCSV = 0 during POR, default 0x00 otherwise)
CR60, CR61 (Default 0x02, 0xF8 if PNPCSV = 0 during POR, default 0x00, 0x00 otherwise)
These two registers select Serial Port 2 I/O base address [0x100:0xFF8] on 8 byte boundary.
CR70 (Default 0x03 if PNPCSV = 0 during POR, default 0x00 otherwise)
CRF0 (Default 0x00)
Bit [7:4]: Reserved.
Bit [3:0]: These bits select IRQ resource for Serial Port 1.
Bit 7:
Bit 6:
Bit [5:2]: Reserved.
Bit [1:0]: SUACLKB1, SUACLKB0
Bit [7:1]: Reserved.
Bit 0:
Bit [7:4]: Reserved.
Bit [3:0]: These bits select IRQ resource for Serial Port 2.
Bit 7:
Bit 6:
Bit [5:4]: Reserved.
Bit 3:
Reserved.
1
0
00
01
10
11
1
0
Reserved.
1
0
RXW4C
0
1
Activates the logical device IRQ sharing function.
Logical device IRQ sharing 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)
Activates the logical device.
Logical device is inactive.
Activates the logical device IRQ sharing function.
Logical device IRQ sharing is inactive.
No reception delay when SIR is changed from TX mode to RX mode.
Reception delays 4 characters-time (40 bit-time) when SIR is changed from TX mode
to RX mode.
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W83697UF/W83697UG