Panasonic KX-TCA256X, Service Manual

Page: 53 / 61

53
KX-TCA256X
Note:
JACK DETECTION; Detect if a Headset is inserted into the JACK or not. Without a Headset, 1.5V is measured at pin 23, while
with a Headset, 0V is measured at pin 23.
59 AVS_sense A,I
←
I O
60 ADC3 A,I
←
I O
61 LDO1_sense A,I
←
I O
62 LDO1_CTRL A,O
←
O O
63 LDO2_CTRL A,O
←
O O
64 VBAT2 A,I
←
I O
65 VBAT1 A,I
←
I O
66 AVS2 - - - -
67 AVD2 - - - -
68 LSR+/REF A,O LSR+ O O
69 LSR-/REF A,O LSR- O O
70 LSR_HS/CIDIN- A,O LSR_HS O O
71 VREF_HS/CIDOUT A,O NC OPEN -
72 MIC- A,I
←
I O
73 VREF- A,O
←
O O
74 VBUF A,O
←
O O
75 AGND A,O
←
O O
76 MIC+ A,I
←
I O
77 VREF+/CIDIN+ A,O VREF+ O O
78 RSTN D,I
←
I O
79 VDDIO - - - -
80 VSS - - - -
Pin No Description I/O Connection at Normal mode at Reset mode