MFC2000 datasheet(23/426 Pages) ETC

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Hardware Description

MFC 2000 Multifunctional Peripheral Controller 2000

100723A

Conexant

3-3

Table 3-1. Pin Description (3 of 6)

Pin Name

Pin No.

I/O

Input

Type

Output

Type

Pin Description

GPIO[6]/CS[4]n/ EADC_D[3]

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[6] or I/O chip select [4] (active

low) or external ADC data [3] input

GPIO[7]/CS[5]n/

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[7] or I/O chip select [5] (active

low).

GPIO[8]/IRQ[11]/

SSSTAT1/SC_CLK1/2B

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[8] or external interrupt [11] or

status input for SSIF1 or scan clock output

GPIO[9]/IRQ[13]/ EADC_D[2]

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[9] or external interrupt [13] or

external ADC data [2] input

GPIO[10]/RING_DETECT/PW

M[4]

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[10] or ring detection input or

PWM channel 4 output

GPIO[11]/CPCIN/PWM[0]/ALT

TONE

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[11] or calling party control input

or ALTTONE output

GPIO[12]/SASCLK/

SMPWRCTRL

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[12] or clock input/output for

SASIF or Scan Motor Power Control output

GPIO[13]/SASTXD/

PMPWRCTRL

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[13] or TX data output for SASIF

or Print Motor Power Control output

GPIO[14]/SASRXD/ RINGER

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[14] or RX data input for SASIF

or ringer output

GPIO[15]/IRQ[16]/

SC_CLK1/2C

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[15] or external interrupt [16] or

scan clock output

GPIO[16]/M_TXSIN

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[16] or internal modem

GPIO[17]/M_CLKIN

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[17] or internal modem

GPIO[18]/M_RXOUT

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[18] or internal modem

GPIO[19]/M_SCK/MIRQn

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[19] or internal modem or

external modem interrupt input

GPIO[20]/M_STROBE/ MCSn

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[20] or internal modem or

external modem chip select

GPIO[21]/M_CNTRL_SIN

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[21] or internal modem

GPIO[22]/EADC_Sample

I/O

H5VT

2XT5VT

(Hysteresis) GPIO[22] or external ADC sample

signal output

SM[3:0]/

GPO[7:4]

V7,W7,Y7,U6

1XT3V

Scan motor control [3:0] pins or GPO[7:4] pins.

PM[0]/SPI_SID/

EADC_D[0]/GPO[0]

I/O

5VT

1XT5VT

Print motor control [0] output or GPO[0] output or

data output for SPI or external ADC data [0] input

PM[1]/SPI_SIC/

EADC_D[1]/GPO[1]

I/O

5VT

1XT5VT

Print motor control [1] output or GPO[1] output or

clock output for SPI or external ADC data [1] input

PM[2]/SMI0/GPO[2]

1XT3V

Print motor control [2] output or GPO[2] output or

scan motor current control 0.

PM[3]/SMI1/GPO[3]

Y12

2XT3V

Print motor control [3] output or GPO[3] output or

scan motor current control 1.

TONE

I/O

H5VT

1XT5VT

(Hysteresis) Tone output signal.

PIODIR

2XT3V

PIOD[7:0] is output when PIODIR is high and

PIOD[7:0] is input when PIODIR is low.

STROBEn

H5VT

(Hysteresis) Input from PC (active low)

AUTOFDn

H5VT

(Hysteresis) Input from PC (active low)

SLCTINn

H5VT

(Hysteresis) Input from PC (active low)

INITn

H5VT

(Hysteresis) Input from PC (active low)

BUSY

2XT3V

PIO Returned status to PC

ACKn

2XT3V

PIO Returned status to PC (active low)

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