W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 15

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

Host Interface, continued.
GP16 (WDTO)
P15
DRQ0
GP17
(PLEDO)
P14
DRQ1
DRQ2
DRQ3
TC
IRQ1
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8/ nIRQ8
IRQ9
IRQ10
IRQ11
IRQ12
DACK0
RTSC
DTRC
DACK1
DACK2
DACK3
SYMBOL
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
PIN
119
121
122
123
124
125
126
127
128
100
101
102
99
98
97
96
95
94
93
92
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
OUT 12t
I/O 12t
I/O 12t
I/O 12t
I/O 12t
IN ts
IN ts
IN ts
IN ts
IN ts
I/O
CR2C bit5, 4= 00 (default): DMA Channel 0 Acknowledge signal.
CR2C bit5, 4= 01: General purpose I/O port 1 bit 6. It can be
configured as a watchdog timer output.
CR2C bit5, 4= 10: Keyboard P15 I/O port.
CR2C bit5, 4= 11:
CR2C bit7, 6= 00 (default): DMA Channel 0 request signal.
CR2C bit7, 6= 01: General purpose I/O port 1, bit 7.
configured as power LED output.
CR2C bit7, 6= 10: Keyboard P14 I/O port.
CR2C bit7, 6= 11:
DMA Channel 1 Acknowledge signal
DMA Channel 1 request signal
DMA Channel 2 Acknowledge signal
DMA Channel 2 request signal
DMA Channel 3 Acknowledge signal
DMA Channel 3 request signal
Terminal Count. When active, this pin indicates termination of a DMA
transfer.
Interrupt request 1
Interrupt request 3
Interrupt request 4
Interrupt request 5
Interrupt request 6
Interrupt request 7
Interrupt request 8; default is nIRQ8 for RTC
Interrupt request 9
Interrupt request 10
Interrupt request 11
Interrupt request 12
-7 -
RTS
DTR
output of UART C. [W83977AF only]
output of UART C. [W83977AF only]
FUNCTION
Publication Release Date: May 2006
Revision 0.60
It can be