{"id":1773,"date":"2026-05-12T05:51:43","date_gmt":"2026-05-12T05:51:43","guid":{"rendered":"https:\/\/materialparts.com\/?p=1773"},"modified":"2026-05-12T05:56:04","modified_gmt":"2026-05-12T05:56:04","slug":"rtl8197h-ve5-cg-%e6%8a%80%e6%9c%af%e8%a7%84%e6%a0%bc%e5%92%8c%e5%8f%82%e8%80%83%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/rtl8197h-ve5-cg-technical-specifications-and-reference-design\/","title":{"rendered":"RTL8197H-VE5-CG"},"content":{"rendered":"

RTL8197H-VE5-CG \u662f\u4e00\u6b3e\u9ad8\u5ea6\u96c6\u6210\u7684 2T2R 802.11b\/g\/n \u65e0\u7ebf\u7cfb\u7edf\u7ea7\u82af\u7247 (WiSoC)\uff0c\u7531 Realtek Semiconductor \u5236\u9020\u3002\u5b83\u91c7\u7528 MIPS 24Kc \u5904\u7406\u5668\uff0c\u4e3b\u9891\u9ad8\u8fbe 1 GHz\uff0c\u5177\u6709 64 KB I-Cache \u548c 32 KB D-Cache\uff0c128 MB \u5d4c\u5165\u5f0f DDR2 \u5185\u5b58\uff0c\u96c6\u6210 5 \u7aef\u53e3\u5feb\u901f\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u548c RGMII \u5343\u5146 MAC \u63a5\u53e3\u3002\u7247\u4e0a 2.4 GHz 2T2R Wi-Fi \u6536\u53d1\u5668\u652f\u6301\u9ad8\u8fbe 300 Mbps \u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5177\u6709 TXBF\u3001STBC\u3001LDPC-Tx \u548c MRC \u529f\u80fd\u3002\u5173\u952e\u5916\u8bbe\u5305\u62ec PCIe Gen1 Host\u30012\u00d7USB 2.0\u30012\u00d7SPI\u30013\u00d7UART\u30012\u00d7I2C\u3001I2S\u3001PCM\u3001SDXC\/eMMC\u30014\u00d7PWM \u548c\u5177\u6709 AES\/DES\/SHA \u52a0\u901f\u529f\u80fd\u7684\u786c\u4ef6\u5b89\u5168\u5f15\u64ce\u3002RTL8197H-VE5-CG \u91c7\u7528 28 \u7eb3\u7c73\u5de5\u827a\u5236\u9020\uff0c\u4ee5 10\u00d710 mm DR-QFN128 \u5c01\u88c5\uff0c\u4e13\u4e3a\u53cc\u9891\u667a\u80fd\u8def\u7531\u5668\u3001\u7f51\u72b6 Wi-Fi \u7cfb\u7edf\u3001\u65e0\u7ebf\u63a5\u5165\u70b9\u548c\u7269\u8054\u7f51\u7f51\u5173\u800c\u8bbe\u8ba1\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

The RTL8197H-VE5-CG is a highly integrated 2T2R 802.11b\/g\/n Wireless System-on-Chip (WiSoC) manufactured by Realtek Semiconductor. It features a MIPS 24Kc processor running at up to 1 GHz with 64 KB I-Cache and 32 KB D-Cache, 128 MB of embedded DDR2 memory, and an integrated 5-port Fast Ethernet switch with RGMII gigabit MAC interface. The on-chip […]<\/p>\n","protected":false},"author":2,"featured_media":2833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,88],"tags":[],"chip_brand":[158],"class_list":["post-1773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-system-on-chip","chip_brand-realtek"],"acf":{"brief_explanation":"Highly integrated 2T2R 802.11b\/g\/n WiSoC with 1GHz MIPS 24Kc CPU, 128MB embedded DDR2, 5-port FE switch with RGMII, PCIe Gen1, USB 2.0, and hardware security engine in DR-QFN128 package.","date_code":"","package_case":"DR-QFN128 (10mm x 10mm, 0.4mm pitch)","in_stock":6800,"datasheet":"https:\/\/datasheet.lcsc.com\/lcsc\/2208171800_Realtek-Semicon-RTL8197FS-VE5-CG_C2916861.pdf","price":"$5.33 (100+ pcs)","product_introduction":"The RTL8197H-VE5-CG is a highly integrated 2T2R 802.11b\/g\/n WiSoC (Wireless System-on-Chip) manufactured by Realtek Semiconductor Corp. It belongs to the RTL8197F family and is fabricated on a 28nm process node. The chip integrates a 1GHz MIPS 24Kc processor with 64KB I-Cache and 32KB D-Cache, a 2T2R 802.11b\/g\/n MAC\/BB\/RF wireless transceiver achieving up to 300Mbps PHY rate, a 5-port 10\/100Mbps Fast Ethernet switch configurable as 5 FE PHY or 1 RGMII + 4 FE PHY, two USB 2.0 host controllers, 128MB of embedded DDR2 SDRAM (MCM package), and comprehensive peripheral interfaces including PCIe Gen1 Host, SPI, UART, I2C, I2S, PCM, SDXC\/eMMC, and GPIO. The RTL8197H variant is differentiated from other RTL8197F series members by its 5-port FE switch supporting RGMII uplink for Gigabit Ethernet, making it ideal for multi-LAN port routers and mesh Wi-Fi nodes. A hardware Security Engine supports AES\/DES\/SHA cryptography, and a 4-channel GDMA controller offloads data transfer tasks. The chip supports Wi-Fi EasyMesh and is widely adopted in commercial products such as H3C NX15 (AX1500) and D-Link DIR-841 (AC1200).","working_principle":"1. Processor Subsystem: The MIPS 24Kc CPU runs at up to 1GHz with 64KB I-Cache and 32KB D-Cache, executing the embedded Linux kernel, network protocol stack (TCP\/IP, NAT, firewall), and application-layer software through an internal AMBA bus fabric.\r\n2. Wireless Subsystem: The 2.4GHz 2T2R 802.11b\/g\/n MAC\/BB\/RF transceiver is fully integrated on-chip, supporting HT20\/HT40 channel bandwidths with MIMO processing for up to 300Mbps PHY rate. Integrated PA\/LNA minimize external RF components. Transmit Beamforming (TxBF), STBC, LDPC-Tx, and MRC-Rx are supported for enhanced link reliability.\r\n3. Ethernet Switch Subsystem: A 5-port 10\/100Mbps Fast Ethernet switch supports configurable port mapping \u2014 either 5 FE PHY or 1 RGMII + 4 FE PHY mode. The RGMII MAC interface connects to an external Gigabit PHY (e.g., RTL8211F) for 1000M WAN\/LAN, with Auto MDI\/MDIX on all FE ports.\r\n4. Memory Subsystem: 128MB DDR2 SDRAM is embedded within the MCM package. The memory controller supports SPI NOR Flash (up to 128MB), SPI NAND Flash (up to 4Gbit), and Parallel NAND Flash (up to 8GB) for firmware storage. Typical designs use 16MB SPI NOR Flash.\r\n5. Peripheral Interface Subsystem: Rich I\/O includes 1x PCIe Gen1 Host, 2x USB 2.0, 2x SPI, 3x UART, 2x I2C, 1x I2S, 1x PCM, 4x PWM, and 1x SDXC\/eMMC for flexible IoT, VoIP, and storage expansion.\r\n6. Hardware Acceleration Engine: A dedicated Security Engine supports AES\/DES\/SHA-1\/SHA-256 hardware cryptography for VPN and WPA encryption offload. The GDMA controller provides 4 independent DMA channels for memory-to-memory and memory-to-peripheral transfers without CPU intervention.","pin_description":"\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Pin Group<\/th>\r\nPin Count<\/th>\r\nType<\/th>\r\nDefault Function<\/th>\r\nAlternate Function<\/th>\r\nPower-on State<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
VDD_Core<\/td>\r\n8<\/td>\r\nP<\/td>\r\n1.2V Core Supply<\/td>\r\n--<\/td>\r\n1.2V<\/td>\r\n<\/tr>\r\n
VDD_IO<\/td>\r\n10<\/td>\r\nP<\/td>\r\n3.3V I\/O Supply<\/td>\r\n--<\/td>\r\n3.3V<\/td>\r\n<\/tr>\r\n
GND<\/td>\r\n12<\/td>\r\nG<\/td>\r\nGround<\/td>\r\n--<\/td>\r\n0V<\/td>\r\n<\/tr>\r\n
RF_ANT0\/1<\/td>\r\n4<\/td>\r\nI\/O<\/td>\r\n2.4GHz RF TX\/RX<\/td>\r\n--<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
RGMII<\/td>\r\n13<\/td>\r\nI\/O<\/td>\r\nGigabit MAC Interface<\/td>\r\nGPIO<\/td>\r\nConfigured by strap<\/td>\r\n<\/tr>\r\n
FE_SW_P0-P3<\/td>\r\n16<\/td>\r\nI\/O<\/td>\r\n4x FE PHY Ports<\/td>\r\nGPIO<\/td>\r\nConfigured by strap<\/td>\r\n<\/tr>\r\n
PCIe<\/td>\r\n6<\/td>\r\nI\/O<\/td>\r\nPCIe Gen1 Host (TX\/RX\/CLK\/RST)<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
USB2.0 (x2)<\/td>\r\n8<\/td>\r\nI\/O<\/td>\r\nUSB DP\/DM (Port 0 and 1)<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
SPI0<\/td>\r\n5<\/td>\r\nI\/O<\/td>\r\nSPI NOR Flash (CS\/CLK\/DQ0-3)<\/td>\r\nGPIO<\/td>\r\nSPI Boot<\/td>\r\n<\/tr>\r\n
SPI1<\/td>\r\n4<\/td>\r\nI\/O<\/td>\r\nGeneral SPI<\/td>\r\nGPIO\/PWM<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
UART0-2<\/td>\r\n8<\/td>\r\nI\/O<\/td>\r\n3x UART (TX\/RX)<\/td>\r\nGPIO<\/td>\r\nUART0 = Debug<\/td>\r\n<\/tr>\r\n
I2C0\/1<\/td>\r\n4<\/td>\r\nI\/O<\/td>\r\n2x I2C (SCL\/SDA)<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
I2S<\/td>\r\n4<\/td>\r\nI\/O<\/td>\r\nI2S Audio (CLK\/WS\/SDI\/SDO)<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
PCM<\/td>\r\n4<\/td>\r\nI\/O<\/td>\r\nPCM Voice Interface<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
SDXC\/eMMC<\/td>\r\n6<\/td>\r\nI\/O<\/td>\r\nSD\/eMMC (CLK\/CMD\/DAT0-3)<\/td>\r\nGPIO<\/td>\r\nHi-Z<\/td>\r\n<\/tr>\r\n
PWM0-3<\/td>\r\n4<\/td>\r\nO<\/td>\r\n4x PWM Output<\/td>\r\nGPIO<\/td>\r\nLow<\/td>\r\n<\/tr>\r\n
GPIO_A-H<\/td>\r\n20+<\/td>\r\nI\/O<\/td>\r\nGeneral Purpose I\/O<\/td>\r\nPWM\/LED\/UART\/I2C<\/td>\r\nInput (default)<\/td>\r\n<\/tr>\r\n
Strap\/Config<\/td>\r\n6<\/td>\r\nI<\/td>\r\nBoot Configuration Straps<\/td>\r\nGPIO<\/td>\r\nSampled at reset<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>","application_scenarios":"\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Application<\/th>\r\nDescription<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Dual-Band Smart Routers<\/td>\r\nPaired with RTL8832BR (5GHz Wi-Fi 6, 2T2R, AX1200) via PCIe to form AX1500 dual-band solutions. RTL8197H handles 2.4GHz Wi-Fi and CPU duties. Example: H3C NX15.<\/td>\r\n<\/tr>\r\n
Mesh Wi-Fi Nodes<\/td>\r\nSupports Wi-Fi EasyMesh for seamless home mesh networking. 5-port FE switch enables wired backhaul between mesh nodes; PCIe supports 5GHz fronthaul.<\/td>\r\n<\/tr>\r\n
IoT Gateways<\/td>\r\nRich peripheral interfaces (I2C, SPI, UART, USB, GPIO) accommodate sensors and communication modules. Hardware security engine provides AES encryption for secure IoT communication.<\/td>\r\n<\/tr>\r\n
VPN \/ VoIP Gateways<\/td>\r\nSecurity engine accelerates IPsec\/SSL\/DTLS encryption. I2S\/PCM interface connects voice codecs for VoIP. GDMA offloads packet forwarding under encrypted traffic.<\/td>\r\n<\/tr>\r\n
4G\/5G CPE<\/td>\r\nUSB 2.0 host ports connect cellular modems. RGMII provides gigabit WAN. Embedded 128MB DDR2 sufficient for full protocol stacks (NAT, firewall, QoS).<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>","alternative_models":"\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Model<\/th>\r\nManufacturer<\/th>\r\nCompatibility<\/th>\r\nKey Difference<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
RTL8197FS-VE5-CG<\/td>\r\nRealtek<\/td>\r\nPIN-to-PIN (same package)<\/td>\r\n2-port switch (1 FE PHY + 1 RGMII) instead of 5-port<\/td>\r\n<\/tr>\r\n
RTL8197FN-VE4-CG<\/td>\r\nRealtek<\/td>\r\nSame series (pin mapping differs)<\/td>\r\n5-port FE switch with 5 FE PHY only; no RGMII option<\/td>\r\n<\/tr>\r\n
RTL8198D<\/td>\r\nRealtek<\/td>\r\nSoftware compatible (different package)<\/td>\r\nHigher performance, supports 802.11ac\/ax, TF-BGA package<\/td>\r\n<\/tr>\r\n
MT7621A<\/td>\r\nMediaTek<\/td>\r\nPCB Rework Required<\/td>\r\nDual-core MIPS 880MHz, 2x Gigabit Ethernet, popular in OpenWrt<\/td>\r\n<\/tr>\r\n
QCA9563<\/td>\r\nQualcomm<\/td>\r\nPCB Rework Required<\/td>\r\nMIPS 775MHz, 3x3 802.11n, enterprise AP target<\/td>\r\n<\/tr>\r\n
BCM53573<\/td>\r\nBroadcom<\/td>\r\nPCB Rework Required<\/td>\r\nSimilar Wi-Fi SoC functionality<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/1773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=1773"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/1773\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2833"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=1773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=1773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=1773"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=1773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}