W83977EF Datasheet, PDF (13/150 Pages) Winbond – WINBOND I/O

W83977EF
1.1 Host Interface, continued
SYMBOL PIN
DACK0#
119
I/O
IN_tsu
GP16
(WDTO)
P15
DRQ0
GP17
(PLEDO)
P14
SCI#
DACK1#
DRQ1
DACK2#
DRQ2
DACK3#
DRQ3
TC
I/O_12t
I/O_12t
121 OUT_12t
I/O_12t
I/O_12t
OUT_12t
122
IN_ts
123 OUT_12t
124
IN_ts
125 OUT_12t
126
IN_ts
127 OUT_12t
128
IN_ts
IRQ1
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ9
IRQ10
IRQ11
IRQ12
99 OUT_12t
98 OUT_12t
97 OUT_12t
96 OUT_12t
95 OUT_12t
94 OUT_12t
92 OUT_12t
100 OUT_12t
101 OUT_12t
102 OUT_12t
FUNCTION
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
Publication Release Date: April 2003
-7 -
Revision 1.1