Data Sheet

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Kinkan

Data sheet

Quick specs

• 802.11b/g/n2.4GHz,2x2MIMO,300Mbps

 datarate

• 32MBFLASH,128MBRAM

• Linuxfriendly,OpenWRTashimageand

 sourcecodeareavailablefordownloadon

 www.8devices.com/wiki_kinkan

• CPU–RTL8197FS

 (1GHzCPUbasedonMIPS24Kccore)

• 22dBmperchainoutputpowerradio

• Smallformfactor-19.5by26.7mm

• Surfacemountable(LGAform),

 singlesidedesign

• Availableinterfaces-GPIO,I2C,SPI,UART,

 I2S,PCM/SLIC,2xUSB2.0host,PCIe,MDIO,

 PWM,RGMII,100BaseTPHY,SDXCSDCard,

 eMMCmodule,SPIandparallelNANDash

Kinkanispackedwithanextensivesetof

interfacesandrobust1GHzCPUbasedon

MIPS24Kccore.Moduledimensions19.5

mmx26.7mm.Backsideofthemoduleis

componentfreeandmoduleisimplementedin

LGA(landgridarray)formforcompactsurface

mountdesigns.Builtin128MBRAMand32MB

FLASHletscomfortablyrunembeddedLinux

applicationsunderOpenWRT.

KinkansupportsGPIO,I2C,SPI,UART,I2S,

PCM/SLIC,2xUSB2.0host,PCIe,MDIO,

PWM,RGMII,100BaseTPHY,SDXCSDCard,

eMMCmodule,SPIandparallelNANDand

canbootfromSDcard,eMMCmodulebuiltin

NOR,externalSPIandparallelNANDFLASH.

Highperformanceisnotaectinglowpower

consumptionwiththeloadonLANandWLAN

interfacesitconsumesupto4Wofpower.

Kinkan is small but very versatile wireless LAN CPU

module based on Realtek RTL8197FS SoC

Summary of content (19 pages)

PAGE 1
Kinkan Data sheet Kinkan is small but very versatile wireless LAN CPU module based on Realtek RTL8197FS SoC Kinkan is packed with an extensive set of interfaces and robust 1GHz CPU based on MIPS 24Kc core. Module dimensions 19.5 mm x 26.7 mm. Back side of the module is component free and module is implemented in LGA (land grid array) form for compact surface mount designs. Built in 128MB RAM and 32MB FLASH lets comfortably run embedded Linux applications under OpenWRT.
PAGE 2
Block diagram 2.4G 2x2 b/g/n RF ANT 0 RF ANT 1 SDIO 2x I2C eMMC I2S PCIe 4x PWM RTL8197FS SoC 2x USB 2.0 GPIO RGMII SPI MDI 3x UART 128MB RAM 100 Base-T 32MB NOR FLASH Module dimensions 1.65 1.8 0.9 0.9 16.2 17.85 8.85 1.8 1.65 23.4 1 10% 19.5 19.2 26.7 26.4 Ant 1 3.7 Kinkan Data sheet v1.
PAGE 3
Output power (dBm) Receive sensitivity (dBm) Radio characteristics 802.11N (20 MHz) 7.2 Mbps 14.4 Mbps 21.7 Mbps 28.9 Mbps 43.3 Mbps 57.8 Mbps 65 Mbps 72.2 Mbps -91 -89 -86 -84 -80 -76 -74 -73 802.11N (40 MHz) 15 Mbps 30 Mbps 45 Mbps 60 Mbps 90 Mbps 120 Mbps 135 Mbps 150 Mbps -89 -86 -84 -80 -77 -73 -72 -70 802.11N 20 MHz 7.2 Mbps 14.4 Mbps 21.7 Mbps 28.9 Mbps 43.3 Mbps 57.8 Mbps 65 Mbps 72.2 Mbps 23 23 23 22 21 20 19 17 802.
PAGE 4
Module pinout A GPIO_F GPIO_E RF GND UART LED Reset PCIE USB 2.0 B C D E F G H J K 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 A B C D E F G H J SDIO GPIO_C GPIO_D RGMII MDI SPI FLASH +3.
PAGE 5
Module SoC pin pin GPIO I/O WiFi PCM RGMII P-Nand NF_WP# I2S SPI-N or SD-eMMC PWM EVENT EJTAG SPI-Nand LED SPI UART I2CReset PWM0 JTAG_TDO SPI1_CLK U1_RTS I2C1_SCL PWM1 SPI1_CS0N U1_RX I2C1_SDA I2C0_SCL_ SLV H2 71 GPIO_B[6] O P0_TXD0 J2 73 GPIO_B[7] B P0_TXC K1 2 GPIO_C[0] O P0_ TXCTL NF_WE# PWM2 SPI1_TXD U1_TX I2C0_SCL K4 74 GPIO_C[1] B P0_ RXCTL NF_R/B# PWM3 SPI1_RXD SPI1_TRXD U1_CTS I2C0_SDA I2C0_SDA_ SLV H3 77 GPIO_C[2] B P0_MDC SPI0_CLK SPI1_CLK
PAGE 6
100 Base-T MDI pins Module pin Function G1 MDI_TXO4_P H1 MDI_TXO4_N E1 MDI_RXI4_N F1 MDI_RXI4_P USB pins Module pin Function B1 USB1_N C1 USB1_P A3 USB0_N A2 USB0_P RF pins Module pin Function K14 2G_ANT0 E14 2G_ANT1 PCIe pins Module pin Function A6 PCIE_CLK_N A7 PCIE_CLK_P B5 PCIE_RX_N A5 PCIE_RX_P A4 PCIE_TX_N B4 PCIE_TX_P +3.
PAGE 7
Pin status on boot Kinkan pin SoC pin GPIO HW default direction Supported directions Strap pin Durig boot state (before software control) D3 29 GPIOA[0] Input Output Y Internal pull-down only in strap period E3 102 GPIOA[1] Input Bidirectional Internal pull-up G3 39 GPIOA[2] Input Bidirectional Internal pull-up E2 39 GPIOA[3] Input Bidirectional Internal pull-up F2 41 GPIOA[4] Input Output F3 30 GPIOA[5] Input Bidirectional J1 66 GPIOA[6] Output K3 128 GPIOA[7
PAGE 8
Power supply It is recommended to use pin B2, C2, D1 and D2 to give power supply to the module. Power ratings (needs update) Parameter 3.3V power supply (+/-10%) Units Min Nominal Max V 2.97 3.3 3.63 PCB footprint 17.85 3.45 1.65 25.05 3.45 1.65 14 1.3 1.0 1.0 C 1.0 1 A R0.1 R0.1 B Detail C Detail B K C Soldering paste footprint 14 1 1.05 D K 1.35 R0.21 Detail D 1.05 E 1.05 A R0.21 Detail E E Kinkan Data sheet v1.
PAGE 9
Reflow profile Ramp up rate 3°C/second max Maximum time maintained above 217°C 120 seconds Peak temperature 250°C Maximum time within 5°C of peak temperature 20 seconds Ramp down rate 6°C/second max 250 Temperature, C 200 150 100 50 0 Time Development kit Top view Bottom view 7 6 17 3 19 14 1 15 4 19 16 13 2 9 12 10 1. 2. 3. 4. 5. 6. 7. 8. 9. Kinkan 11 18 5 8 Ceramic 2.
PAGE 10
Kinkan DVK Antenna OEM Ceramic antenna on the PCB (chip antenna): Red parts are ceramic antenna
PAGE 11
Omni directional ceramic antenna specification Chip antenna designators on PCB are E1 and E2 Below is chip antenna ANT016008LCS2442MA1 specification You can see antenna size is 1.6(L)mm*0.8(W)mm*0.4(L)mm from below specification. And PCB pad size for chip antenna is below. PCB dielectric constant (Er) is 4.6 ± 10% that is popular Er number for PCB.
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PAGE 14
Layout of trace design, parts, antenna, connectors and isolation Red parts (E1, E2) are ceramic antenna Green parts (C72, C73, C75, C77) are match parts for antenna
PAGE 15
PCB gerbers for antenna RF module to chip antenna PCB trace impedance must be 50ohm.
PAGE 16
Appropriate parts by manufacturer and specifications You can see antenna match parts below Part Reference C72, C73 Value SMD Description 6.2pF Yes C75, C77 0.8pF Yes J10, J11 C90-1 01 Yes R42, R43 0R Yes 6.2pF 25V +-0.1pF COG 0-30ppm 0201(0.6x0.3x0.3) -55+125 0.8pF 25V +-0.1pF COG 0-30ppm 0201(0.6x0.3x0.3) -55+125 RF Switch for testing SMT 50Ohm; 0-6GHz (VSWR 1,3); 3.1x3.1x1.
PAGE 17
FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
PAGE 18
(2) This device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
PAGE 19
when the module is installed inside another device, the user manual of this device must contain below warning statements; 1. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. 2.