Embedded Parallelism Enabling Ultralow-Power Zigbee Voice Communications

Table 3

Memory requirements of Speex (submodes 3 and 4) in Belasigna 300.

Memory structure	Data width	Available	Used by Speex
Program memory	32 bit	12288	6988
X data memory	24 bit	6144	5257
Y data memory	24 bit	2048	619