CC2538_15 Datasheet, PDF (7/33 Pages) Texas Instruments – Powerful Wireless Microcontroller System-On-Chip

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4 Terminal Configuration and Functions
CC2538
SWRS096D – DECEMBER 2012 – REVISED APRIL 2015
DGND_USB 1
USB_P 2
USB_N 3
DVDD_USB 4
PB0 5
PC7 6
PC6 7
PC5 8
PC4 9
DVDD 10
PC3 11
PC2 12
PC1 13
PC0 14
42 R_BIAS
41 AVDD
40 AVDD
39 AVDD
38 RF_N
37 RF_P
36 AVDD
35 XOSC32M_Q2
34 XOSC32M_Q1
33 AVDD
32 DCOUPL2
31 PD5
30 PD4
29 PD3
P0142-01
Connect the exposed ground pad to a solid ground plane, as this is the ground connection for the chip.
Figure 4-1. 56-Pin RTQ Package (Top View)
4.1 Signal Descriptions
NAME
AVDD
AVDD_GUARD
DCOUPL1
DCOUPL2
DGND_USB
DVDD
DVDD_USB
JTAG_TCK
JTAG_TMS
PA0
PA1
PA2
Table 4-1. Signal Descriptions
NUMBER
PIN TYPE
33, 36, 39, 40, 41 Power (analog)
43
Power (analog)
56
Power (digital)
32
Power (digital)
1
10, 15, 24, 55
4
47
46
16
17
18
Ground (USB pads)
Power (digital)
Power (USB pads)
Digital I/O
Digital I/O
Digital/analog I/O
Digital/analog I/O
Digital/analog I/O
DESCRIPTION
2-V–3.6-V analog power-supply connection
2-V–3.6-V analog power-supply connection
1.8-V regulated digital-supply decoupling capacitor
1.8-V regulated digital-supply decoupling capacitor. Short this pin to
pin 56.
USB ground
2-V–3.6-V digital power-supply connection
3.3-V USB power-supply connection
JTAG TCK
JTAG TMS
GPIO port A pin 0. ROM bootloader UART RXD
GPIO port A pin 1. ROM bootloader UART TXD
GPIO port A pin 2. ROM bootloader SSI CLK
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Terminal Configuration and Functions
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