W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 166

• Manufacturer Part Number: W83977G-A
• Description: IC I/O CONTROLLER 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83977G-A

• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

15.2.1
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
(WRITE MCR)
(READ MSR)
CTS,DSR
DCD
RTS,DTR
IRQ3 or
IRQ4
Modem Control Timing
IOW
IOR
IRQ7
ACK
RI
→ ←
│
│
│
│
→
│
│
│
│
│
│
│
│
│
TSIM
│
│
│
│
│
←
MODEM Control Timing
→ ←
→
│
│
│
│
Printer Interrupt Timing
TLAD
│
│
│
│
│
│
│
-158
TRIM
│
│
│
│
?
←
TMWO
→
│
│
│
│
│
│
←
TSIM
→
→ ←
→
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
←
│
│
│
│
│
│
│
?
←
TRIM
│
│
│
│
←
TSIM
TLID
TMWO
→
│
│
│
│
│
│
│