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CP3BT23 Datasheet, PDF (13/260 Pages) Texas Instruments – CP3BT23 Reprogrammable Connectivity Processor with Bluetooth and Dual CAN Interfaces
Table 3 CP3BT23 LQFP-144 Signal Descriptions
Name Pins I/O
Primary Function
Alternate
Name
Alternate Function
X1CKI
X1CKO
X2CKI
X2CKO
RESET
ENV0
ENV1
ENV2
TMS
TCK
TDI
TDO
RDY
VCC
GND
IOVCC
IOGND
AVCC
AGND
ADVCC
ADGND
RFDATA
SCL
SDA
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
1 Input 12 MHz Oscillator Input
BBCLK
BB reference clock for the RF Interface
1 Output 12 MHz Oscillator Output
None
None
1 Input 32 kHz Oscillator Input
None
None
1 Output 32 kHz Oscillator Output
None
None
1 Input Chip general reset
None
None
1 I/O
Special mode select input with
internal pull-up during reset
PLLCLK PLL Clock Output
1
1
1
1
1
1
1
6
6
10
11
1
1
1
1
1
1
I/O
Special mode select input with
internal pull-up during reset
I/O
Special mode select input with
internal pull-up during reset
Input
JTAG Test Mode Select
(with internal weak pull-up)
te Input
JTAG Test Clock Input
(with internal weak pull-up)
Input
JTAG Test Data Input
(with internal weak pull-up)
Output JTAG Test Data Output
le Output NEXUS Ready Output
Input
2.5V Core Logic
Power Supply
Input Core Ground
o Input 2.5–3.3V I/O Power Supply
Input I/O Ground
s Input PLL Analog Power Supply
Input PLL Analog Ground
Input ADC Analog Power Supply
b Input ADC Analog Ground
I/O
Bluetooth RX/TX Data Pin
OI/O
ACCESS.bus Clock
CPUCLK CPU Clock Output
SLOWCLK Slow Clock Output
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
1 I/O
ACCESS.bus Serial Data
None
None
1 I/O
ADC Input Channel 0
TSX+
Touchscreen X+ contact
1 I/O
ADC Input Channel 1
TSY+
Touchscreen Y+ contact
1 I/O
ADC Input Channel 2
TSX-
Touchscreen X- contact
1 I/O
ADC Input Channel 3
TSY-
Touchscreen Y- contact
1 I/O
ADC Input Channel 4
MUXOUT0 Analog Multiplexer Output 0
1 I/O
ADC Input Channel 5
MUXOUT1 Analog Multiplexer Output 1
1 Input ADC Input Channel 6
None
None
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