CC2538_15 Datasheet, PDF (8/33 Pages) Texas Instruments – Powerful Wireless Microcontroller System-On-Chip

CC2538
SWRS096D – DECEMBER 2012 – REVISED APRIL 2015
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NAME
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PD0
PD1
PD2
PD3
PD4
PD5
PD6/XOSC32K_Q1
PD7/XOSC32K_Q2
R_BIAS
RESET_N
RF_N
RF_P
USB_P
USB_N
XOSC32M_Q1
XOSC32M_Q2
Table 4-1. Signal Descriptions (continued)
NUMBER
19
20
21
22
23
5
54
53
52
51
50
49
48
14
13
12
11
9
8
7
6
25
26
27
29
30
31
44
45
42
28
38
37
2
3
34
35
PIN TYPE
Digital/analog I/O
Digital/analog I/O
Digital/analog I/O
Digital/analog I/O
Digital/analog I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital/analog I/O
Digital/analog I/O
Analog I/O
Digital input
RF I/O
RF I/O
USB I/O
USB I/O
Analog I/O
Analog I/O
DESCRIPTION
GPIO port A pin 3. ROM bootloader SSI SEL
GPIO port A pin 4. ROM bootloader SSI RXD
GPIO port A pin 5. ROM bootloader SSI TXD
GPIO port A pin 6
GPIO port A pin 7
GPIO port B pin 0
GPIO port B pin 1
GPIO port B pin 2
GPIO port B pin 3
GPIO port B pin 4
GPIO port B pin 5
GPIO port B pin 6, TDI (JTAG)
GPIO port B pin 7, TDO (JTAG)
GPIO port C pin 0, 20 mA output capability, no pull-up or pull-down
GPIO port C pin 1, 20 mA output capability, no pull-up or pull-down
GPIO port C pin 2, 20 mA output capability, no pull-up or pull-down
GPIO port C pin 3, 20 mA output capability, no pull-up or pull-down
GPIO port C pin 4
GPIO port C pin 5
GPIO port C pin 6
GPIO port C pin 7
GPIO port D pin 0
GPIO port D pin 1
GPIO port D pin 2
GPIO port D pin 3
GPIO port D pin 4
GPIO port D pin 5
GPIO port D pin 6 / 32-kHz crystal oscillator pin 1
GPIO port D pin 7 / 32-kHz crystal oscillator pin 1
External precision bias resistor for reference current
Reset, active-low
Negative RF input signal to LNA during RX
Negative RF output signal from PA during TX
Positive RF input signal to LNA during RX
Positive RF output signal from PA during TX
USB differential data plus (D+)
USB differential data minus (D–)
32-MHz crystal oscillator pin 1 or external-clock input
32-MHz crystal oscillator pin 2
8
Terminal Configuration and Functions
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