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T48C862x-Rf-TNQ Datasheet(PDF) 3 Page - ATMEL Corporation |
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T48C862x-Rf-TNQ Datasheet(HTML) 3 Page - ATMEL Corporation |
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3 / 107 page  3 T48C862-R4 [Preliminary] 4551C–4BMCU–01/04 21 CLK Clock output signal for microcontroller, the clock output frequency is set by the crystal to f XTAL/4. 22 PA_ENABLE Switches on power amplifier, used for ASK modulation 23 24 ANT2 ANT1 Emitter of antenna output stage Open collector antenna output Pin Description: RF Part (Continued) Pin Symbol Function Configuration CLK VS 100 100 PA_ENABLE 50k Uref=1.1V 20 µA ANT1 ANT2 Pin Description: Microcontroller Part Name Type Function Alternate Function Pin No. Reset State VDD – Supply voltage – 13 NA V SS – Circuit ground – 12 NA BP20 I/O Bi-directional I/O line of Port 2.0 NTE-test mode enable, see section “Master Reset” on page 21 7 Input BP40 I/O Bi-directional I/O line of Port 4.0 SC-serial clock or INT3 external interrupt input 14 Input BP41 I/O Bi-directional I/O line of Port 4.1 VMI voltage monitor input or T2I external clock input Timer 2 9 Input BP42 I/O Bi-directional I/O line of Port 4.2 T2O Timer 2 output 10 Input BP43 I/O Bi-directional I/O line of Port 4.3 SD serial data I/O or INT3 external interrupt input 11 Input BP50 I/O Bi-directional I/O line of Port 5.0 INT6 external interrupt input 17 Input BP52 I/O Bi-directional I/O line of Port 5.2 INT1 external interrupt input 16 Input BP53 I/O Bi-directional I/O line of Port 5.3 INT1 external interrupt input 15 Input BP60 I/O Bi-directional I/O line of Port 6.0 T3O Timer 3 output 20 Input BP63 I/O Bi-directional I/O line of Port 6.3 T3I Timer 3 input 6 Input OSC1 I Oscillator input 4-MHz crystal input or 32-kHz crystal input or external clock input or external trimming resistor input 18 Input OSC2 O Oscillator output 4-MHz crystal output or 32-kHz crystal output or external clock input 19 Input NRESET I/O Bi-directional reset pin – 5 I/O |
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