FDC37C669-MT Standard Microsystems (SMSC), FDC37C669-MT Datasheet - Page 135

• Manufacturer Part Number: FDC37C669-MT
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C669-MT

• Package Type: TQFP
• Pin Count: 100
• Lead Free Status / RoHS Status: Compliant

It is the responsibility of the software to ensure that two IRQ's are not set to the same IRQ number. Potential
damage to chip may result.
OUT2 bit
UART1
0
1
1
0
0
1
1
1
1
0
1
1
0
0
1
1
1
1
UART1
Output State
UART1 IRQ
de-asserted
de-asserted
de-asserted
de-asserted
de-asserted
de-asserted
asserted
asserted
asserted
asserted
asserted
asserted
Z
Z
Z
Z
Z
Z
Table 60 - UART Interrupt Operation Table
OUT2 bit
UART2
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
UART2
UART2 IRQ Output
de-asserted
de-asserted
de-asserted
de-asserted
de-asserted
de-asserted
asserted
asserted
asserted
asserted
asserted
asserted
135
State
Z
Z
Z
Z
Z
Z
Share IRQ
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Pin State
UART1
Z
Z
Z
Z
1
0
1
1
0
0
1
0
1
0
1
1
1
0
IRQ PINS
Pin State
UART2
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
1
0
1
0
1
0