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HT82M75REW Datasheet(PDF) 58 Page - Holtek Semiconductor Inc |
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HT82M75REW Datasheet(HTML) 58 Page - Holtek Semiconductor Inc |
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58 / 103 page  HT82M75REW/HT82K75REW Rev. 1.00 58 June 11, 2010 RF Transceiver Application Guide Some typical applications are described in this section to help user gains more understanding of the operation of the RF Transceiver. RF Transceiver Hardware Connection A typical application connection is shown in Application Circuit section. The MCU host serves as a master role, and the RF Transceiver serves as a slave role. For more information, refer to the Application Circuit section. RF Transceiver Initialization After the RF Transceiver is powered up, some registers need to be configured before the data transmission or recep- tion. The procedure is described as below. · Procedure List Parameter Symbol Min. Max. Unit Conditions SREG 0x26 GATECLK Enable SPI sync function 20 SREG 0x17 PACON1 Increase PAON time 08 SREG 0x18 FIFOEN Increase TXON time 94 SREG 0x2E TXPEMISP VCO calibration period 95 LREG 0x200 RFCTL0 RF optimized control 01 LREG 0x201 RFCTL1 RF optimized control 02 LREG 0x202 RFCTL2 RF optimized control E0 LREG 0x204 RFCTL4 RF optimized control 06 LREG 0x206 RFCTL6 RF optimized control C0 1M bps LREG 0x207 RFCTL7 RF optimized control F0 1M bps LREG 0x208 RFCTL8 RF optimized control 8C LREG 0x23D GPIODIR For Setting GPIO to Output 00 LREG 0x250 RFCTL50 RF optimized control 07 DC-DC OFF LREG 0x251 RFCTL51 RF optimized control C0 LREG 0x252 RFCTL52 RF optimized control 01 LREG 0x259 RFCTL59 RF optimized control 00 LREG 0x273 RFCTL73 RF optimized control 40 LREG 0x274 RFCTL74 RF optimized control C6 DC-DC OFF LREG 0x275 RFCTL75 RF optimized control 13 LREG 0x276 RFCTL76 RF optimized control 07 SREG 0x32 INTMSK Enable all interrupt 00 SREG 0x2A SOFTRST Baseband Reset 02 SREG 0x36 RFCTL RF Reset 04 Reset RF State Machine SREG 0x36 RFCTL RF Reset 00 Release RF State Machine |
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