CEC1712 datasheet(27/338 Pages) MICROCHIP

27 / 338 page

 2020-2021 Microchip Technology Inc.

DS00003416C-page 27

CEC1712

FAN PWM and Tachometer

ICT0_TACH0

Fan Tachometer Input 0

ICT1_TACH1

Fan Tachometer Input 1

ICT2_TACH2

Fan Tachometer Input 2

TACH3

Fan Tachometer Input 3

PWMx

Pulse Width Modulator Output

‘x’ is the index of the PWM output. Refer Fam-

ily features table to find the number of PWM

outputs supported in the package

Input Capture/Compare timer

ICTx

Input capture timer input

‘x’ is the index of the PWM output. Refer Fam-

ily features table to find the number of ICT

inputs supported in the package

CTOUT0

Compare timer 0 toggle output

CTOUT1

Compare timer 1 toggle output

Serial ports

UART_CLK

UART Baud Clock Input

UART0_RX

UART Receive Data (RXD)

UART0_TX

UART Transmit Data (TXD)

UART0_CTS#

Clear to Send Input

UART0_RTS#

Request to Send Output

UART0_RI#

Ring Indicator Input

UART0_DCD#

Data Carrier Detect Input

UART0_DSR#

Data Set Ready Input

UART0_DTR#

Data Terminal Ready Output

JTAG

JTAG_RST#

JTAG test active low reset

Note 11,12

JTAG_TDI

JTAG test data in

Note 11,12

JTAG_TDO

JTAG test data out

Note 11,12

JTAG_CLK

JTAG test clk; SWDCLK

Note 11,12

JTAG_TMS

JTAG test mode select; SWDIO

Note 11,12

TFDP_DATA

Trace FIFO debug port - data

TFDP_CLK

Trace FIFO debug port - clock

TRACECLK

ARM Embedded Trace Macro Clock

Trace Port is enabled by setting TRACE_EN

bit of ETM Trace enable register in EC Regis-

ter Bank

TRACEDATA0

ARM Embedded Trace Macro Data 0

TRACEDATA1

ARM Embedded Trace Macro Data 1

TRACEDATA2

ARM Embedded Trace Macro Data 2

TRACEDATA3

ARM Embedded Trace Macro Data 3

Power pins

VREF_ADC

ADC Reference Voltage

VSS_ADC

Analog ADC supply associated ground

VBAT

VBAT supply

VR_CAP

Internal Voltage Regulator Capacitor

Note 1

TABLE 2-4:

SIGNAL DESCRIPTION BY INTERFACE (CONTINUED)

SIG_NAME

Description

Notes

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