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TMS470R1VF55BAPGET Datasheet(PDF) 11 Page - Texas Instruments |
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TMS470R1VF55BAPGET Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 59 page  TMS470R1VF55BA 16/32-BIT RISC FLASH MICROCONTROLLER SPNS087A – AUGUST 2003 – REVISED AUGUST 2004 11 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251-1443 Terminal Functions (Continued) † I = input, O = output, PWR = power, GND = ground, REF = reference voltage, NC = no connect ‡ All I/O pins, except RST, are configured as inputs while PORRST is low and immediately after PORRST goes high. § IPD = internal pulldown, IPU = internal pullup (all internal pullups and pulldowns are active on input pins, independent of the PORRST state.) TERMINAL TYPE†‡ INTERNAL PULLUP/ PULLDOWN§ DESCRIPTION NAME NO. TEST/DEBUG (T/D) (CONTINUED) TEST 38 3.3-V I IPD Test enable. Reserved for internal use only. TI recommends that this pin be connected to ground or pulled down to ground by an external resistor. TMS 120 3.3-V I IPU Serial input for controlling the state of the CPU test access port (TAP) controller (JTAG) TMS2 121 3.3-V I IPU Serial input for controlling the second TAP. TI recommends that this pin be connected to VCCIO or pulled up to VCCIO by an external resistor. TRST 37 3.3-V I IPD Test hardware reset to TAP1 and TAP2. IEEE Standard 1149-1 (JTAG) Boundary- Scan Logic. TI recommends that this pin be pulled down to ground by an external resistor. FLASH FLTP1 134 NC Flash test pad 1. For proper operation, this pin must not be connected [no connect (NC)]. FLTP2 133 NC Flash test pad 2. For proper operation, this pin must not be connected [no connect (NC)]. VCCP 135 3.3-V PWR Flash external pump voltage (3.3 V). This pin is required for both Flash read and Flash program and erase operations. SUPPLY VOLTAGE CORE (1.8 V) VCC 14 1.8-V PWR Core logic supply voltage 31 55 86 93 128 132 SUPPLY VOLTAGE DIGITAL I/O (3.3 V) VCCIO 17 3.3-V PWR Digital I/O supply voltage 53 82 SUPPLY GROUND CORE VSS 11 GND Core supply ground reference 30 54 85 92 127 131 136 SUPPLY GROUND DIGITAL I/O VSSIO 16 GND Digital I/O supply ground reference 52 81 |
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