W83977CTF Ver la hoja de datos (PDF) - Winbond

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W83977CTF

WINBOND I/O

Winbond 

W83977EF/ CTF

PRELIMINARY

1.1 Host Interface, continued

SYMBOL PIN

DACK0#

119

GP16

(WDTO)

P15

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

I/O

INtsu

I/O12t

I/O12t

OUT12t

I/O12t

I/O12t

OUT12t

INts

OUT12t

INts

OUT12t

INts

OUT12t

INts

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

OUT12t

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: March 1999

-7 -

Revision A1

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