Alinx AC7021 User Manual page 7

ZYNQ FPGA Development Board AX7021 User Manual
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Figure 2-2-3: Overall Block Diagram of the ZYNQ7000 Chip
The main parameters of the PS system part are as follows:
 ARM dual-core CortexA9-based application processor, ARM-v7
architecture, up to 1GHz
 32KB level 1 instruction and data cache per CPU, 512KB level 2 cache 2
CPU shares
On-chip boot ROM and 256KB on-chip RAM

 External storage interface, support 16/32 bit DDR2, DDR3 interface
 Two Gigabit NIC support: divergent-aggregate DMA, GMII, RGMII,
SGMII interface
 Two USB2.0 OTG interfaces, each supporting up to 12 nodes
 Two CAN2.0B bus interfaces
 Two SD card, SDIO, MMC compatible controllers
 2 SPIs, 2 UARTs, 2 I2C interfaces
 4 groups of 32bit GPIO, 54 (32+22) as PS system IO, 64 connected to
PL
 High bandwidth connection within PS and PS to PL
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