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TMP92CZ26A
92CZ26A-572
(c) Y position measurement(Start AD conversion)
(tsicr0)=cah : Set SMX, SPX to ON. Set the input gate of P97, P96 to OFF.
(admod1)=a0h : Set to AN2.
(admod0)=08h : Start AD conversion.
A
VSS
(
PX/P96/INT4
)
(PY/P97)
VREFH
VREFL
PXEN
PYEN
MXEN
MYEN
A
N3
A
N2
(MY/PG3)
A
VCC
(MX/PG2)
VREFH
VREFL
A
VCC
A
VSS
A
D Converter
Touch screen control
TSI7
SP
Y
SPX
SMX
SMY
PXD (typ.50kΩ)
Dec.
INT4
PTST
Internal data bus
Y+
Y-
Touch
Screen
X+
X-
TMP92CZ26A
ON
ON