W83977EG-AW Datasheet, PDF (12/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances

W83977EF-AW/W83977EG-AW
Host Interface , continted.
SYMBOL
PIN
DRQ0
121
GP17
(PLEDO)
P14
SCI#
DACK1#
122
DRQ1
123
DACK2#
124
DRQ2
125
DACK3#
126
DRQ3
127
TC
128
IRQ1
99
IRQ3
98
IRQ4
97
IRQ5
96
IRQ6
95
IRQ7
94
IRQ9
92
IRQ10
100
IRQ11
101
IRQ12
102
IRQ14
103
GP14
(GPACS1#)
(P17)
PLEDO
IRQ15
104
GP15
(GPACS2#)
(P12)
WDT
CLKIN
1
I/O
OUT12t
I/O_12t
I/O_12t
OUT_12t
IN_ts
OUT_12t
IN_ts
OUT_12t
IN_ts
OUT_12t
IN_ts
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT_12t
OUT12t
I/O12t
OUT12t
OUT_12t
I/O_12t
OUT_12t
IN_t
FUNCTION
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
Interrupt request 14. (CR2C bit 1_0 = 00, default)
General purpose I/O port 1 bit 4. (CR2C bit 1_0 = 01)
Alternate Function 1 from GP14: General purpose address
decode output.
Alternate Function 2 from GP14: KBC P17 I/O port.
Power LED output. (CR2C bit 1_0 = 10)
Interrupt request 15.(CR2C bit 3_2 = 00, default)
General purpose I/O port 1 bit 5. (CR2C bit 3_2 = 01)
Alternate Function 1 from GP15: General purpose address
write enable output.
Alternate Function 2 from GP15: KBC P12 I/O port.
Watch-Dog timer output. (CR2C bit 3_2 = 10)
24 or 48 MHz clock input, selectable through bit 5 of CR24.
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