UCS1003-2 datasheet(104/138 Pages) MICROCHIP

104 / 138 page

UCS1003-1/2/3

DS20005346B-page 104

 2014-2015 Microchip Technology Inc.

bit 3-0

S3_R3<3:0>:

Stimulus 3 Response Definition bits

0000

= Removes previous response on DPOUT and DMOUT

0001

= Applies voltage on DPOUT(1)

0010

= Applies voltage on DMOUT(2)

0011

= Applies voltage on DPOUT and DMOUT

0100

= Connects resistor from DPOUT to GND(1)

0101

= Do not use

0110

= Connects voltage divider from VBUS to GND with ‘center’ at DPOUT(1)

0111

= Connects resistor from DMOUT to GND(2)

1000

= Do not use

1001

= Connects voltage divider from VBUS to GND with “center” at DMOUT(2)

1010

= Connects

 200resistor from DPOUT to DMOUT

1011

= Do not use

1100

= Connects voltage divider from VBUS to GND with ‘center’ at DPOUT and DMOUT

1101

= Connects resistor from DPOUT to GND and DMOUT to GND

1110

= If STIM3 = 000, the 15 k

pull-down resistors applied to DPOUT and DMOUT during emulation

reset are not removed. If STIM3<2:0> = 111, the 15 k

pull-down resistors applied to DPOUT

and DMOUT during emulation reset are removed. For all other STIM3 settings, whatever was

applied is not changed.

1111

= Same as ‘1110’ definition above

(ADDRESS 3Ah) (CONTINUED)

Note 1:

If STIM3<2:0> = 000b and no other response was applied to the DPOUT pin, the 15 k pull-down resistor

applied to the DPOUT pin during emulation Reset is not removed. Otherwise, the previous response is left

on the DPOUT pin (if applicable) or the 15 k pull-down resistor is removed.

If STIM3<2:0> = 000b and no other response was applied to the DMOUT pin, the 15 k pull-down resistor

applied to the DMOUT pin during emulation Reset is not removed. Otherwise, the previous response is left

on the DMOUT pin (if applicable) or the 15 k pull-down resistor is removed.

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