W83627EG Nuvoton Technology Corporation of America, W83627EG Datasheet - Page 164

• Manufacturer Part Number: W83627EG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EG

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

** Bit 3 of ISR is enabled when bit 0 of UFR is logical 1.
9.2.7
This 8-bit register enables and disables the five types of controller interrupts separately. A selected
interrupt can be enabled by setting the appropriate bit to logical 1. The interrupt system can be totally
disabled by setting bits 0 through 3 to logical 0.
Bit 7-4: These four bits are always logical 0.
Bit 3: EHSRI. Set this bit to logical 1 to enable the handshake status register interrupt.
Bit 2: EUSRI. Set this bit to logical 1 to enable the UART status register interrupt.
Bit 1: ETBREI. Set this bit to logical 1 to enable the TBR empty interrupt.
Bit 0: ERDRI. Set this bit to logic 1 to enable the RBR data ready interrupt.
Bit
3
0
Bit
2
0
Interrupt Control Register (ICR) (Read/Write)
ISR
Bit
1
0
Bit
7
0
0
0
0
6
Interrupt
priority
Fourth
5
0
4
0
Interrupt Type
Handshake status
3
2
1
INTERRUPT SET AND FUNCTION
0
W83627EHF/EF, W83627EHG/EG
RBR data ready interrupt enable (ERDRI)
TBR empty interrupt enable (ETBREI)
UART receive status interrupt enable (EUSRI)
Handshake status interrupt enable (EHSRI)
-153-
Interrupt Source
1. TCTS = 1
3. FERI = 1
2. TDSR = 1
4. TDCD = 1
Publication Release Date: April 7, 2009
Clear Interrupt
Read HSR
Version 1.94