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EFEDL7344CJ-02 Datasheet(PDF) 9 Page - LAPIS Semiconductor Co., Ltd. |
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EFEDL7344CJ-02 Datasheet(HTML) 9 Page - LAPIS Semiconductor Co., Ltd. |
9 / 154 page FEDL7344C/E/J-05 ML7344C/E/J 9/154 ●Miscellaneous pins Pin Pin name Reset state I/O Active Level function 5 XIN N.C.(*2) I − IA − P or N − 26MHz crystal pin1 (Note) In case of TCXO, it must be open. 6 XOUT TCXO(*2) O OA IA I P or N 26MHz crystal pin 2 or TCXO input 8 RESETN I IS L Reset L: Hardware reset enable (Forcing reset state) H: Normal operation 10 EXT_CLK I IO P or N Digital I/O (*3) Reset state: External RTC (32kHz) input. [ML7344E/J] External PA control signal output. [ML7344C] 16 GPIO0 O/H IO or OD(*1) H or L Digital GPIO (*4) Reset state: interrupt indication signal output 17 GPIO1 O/L IO or OD(*1) H or L Digital GPIO (*5) Reset state: clock output 18 ANT_SW/ GPIO2 O/L IO or OD(*1) H or L Digital GPIO (*6) Reset state: Antenna diversity selection control signal 19 TRX_SW/ GPIO3 O/L IO or OD(*1) H or L Digital GPIO (*7) Reset state: TX –RX selection signal control (Note) *1 OD is open drain output. *2 The following pin names are different depend on products. Pin No. ML7344C ML7344T 5 XIN N.C. 6 XOUT TCXO (Note) *1 In case of using TCXO, set TCXO_EN=0b1. Please make sure only one of the register TCXO_EN, XTAL_EN is set to 0b1. *2 For ML7344Jy, the initial value of the register TCXO_EN is 0b1. In case of using ML7344JC, the register XTAL_EN([CLK_SET2: B0 0x03(4)])=0b1 must be programmed first. *3 For ML7344Cy, the initial value of the register XTAL_EN is 0b1. In case of using ML7344CT, the register TCXO_EN([CLK_SET2: B0 0x03(6)])=0b1 must be programmed first. *4 Please refer to [EXTCLK_CTR: B0 0x52] register. *5 Please refer to [GPIO0_CTRL: B0 0x4E] register *6 Please refer to [GPIO1_CTRL: B0 0x4F] register *7 Please refer to [GPIO2_CTRL: B0 0x50] register *8 Please refer to [GPIO3_CTRL: B0 0x51] register |
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