W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 13

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

1.1 Host Interface, continued
DACK0#
GP16
(WDTO)
P15
DRQ0
GP17
(PLEDO)
P14
SCI#
DACK1#
DRQ1
DACK2#
DRQ2
DACK3#
DRQ3
TC
IRQ1
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ9
IRQ10
IRQ11
IRQ12
SYMBOL
PIN
119
121
122
123
124
125
126
127
128
100
101
102
99
98
97
96
95
94
92
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
I/O
I/O
I/O
I/O
IN
IN
IN
IN
IN
I/O
tsu
12t
12t
12t
12t
ts
ts
ts
ts
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
12t
DMA Channel 0 Acknowledge signal. (CR2C bit 5_4 = 00,
default)
General purpose I/O port 1bit 6. (CR2C bit 5_4 = 01)
Alternate function from GP16: Watch dog timer output
KBC P15 I/O port. (CR2C bit 5_4 = 10)
DMA Channel 0 request signal. (CR2C bit 7_6 = 00, default)
General purpose I/O port 1bit 7. (CR2C bit 7_6 = 01)
Alternate Function from GP17: Power LED output.
KBC P14 I/O port (CR2C bit 7_6 = 10)
System Control Interrupt (CR2C bit 7_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 9
Interrupt request 10
Interrupt request 11
Interrupt request 12
-7 -
FUNCTION
Publication Release Date: April 2003
W83977EF
Revision 1.1