CC2620 Datasheet, PDF (30/52 Pages) Texas Instruments – SimpleLink ZigBee RF4CE Wireless MCU

CC2620
SWRS178C – FEBRUARY 2015 – REVISED JULY 2016
www.ti.com
Table 6-1. GPIOs Connected to the Sensor Controller⁽¹⁾
ANALOG CAPABLE
7 × 7 RGZ
DIO NUMBER
4 × 4 RSM
DIO NUMBER
Y
30
Y
29
Y
28
Y
27
9
Y
26
8
Y
25
7
Y
24
6
Y
23
5
N
7
2
N
6
1
N
5
0
N
4
N
3
N
2
N
1
N
0
(1) Depending on the package size, up to 16 pins can be connected to the Sensor Controller. Up to 8 of
these pins can be connected to analog modules.
6.6 Memory
The flash memory provides nonvolatile storage for code and data. The flash memory is in-system
programmable.
The SRAM (static RAM) can be used for both storage of data and execution of code and is split into two
4-KB blocks and two 6-KB blocks. Retention of the RAM contents in standby mode can be enabled or
disabled individually for each block to minimize power consumption. In addition, if flash cache is disabled,
the 8-KB cache can be used as a general-purpose RAM.
The ROM provides preprogrammed embedded TI RTOS kernel, Driverlib and lower layer protocol stack
software (802.15.4 MAC). It also contains a bootloader that can be used to reprogram the device using
SPI or UART.
6.7 Debug
The on-chip debug support is done through a dedicated cJTAG (IEEE 1149.7) or JTAG (IEEE 1149.1)
interface.
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