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TMS470R1VC336A Datasheet(PDF) 9 Page - Texas Instruments |
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TMS470R1VC336A Datasheet(HTML) 9 Page - Texas Instruments |
9 / 54 page TMS470R1VC336,TMS470R1VC346 16/32-BIT RISC ROM MICROCONTROLLERS SPNS084E – MAY 2003 – REVISED AUGUST 2006 9 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.) ¶ N/A on the VC346 device. For the VC336 device, the HET[28] signal is only connected to the pad, not to a package pin. TERMINAL TYPE†‡ INTERNAL PULLUP/ PULLDOWN§ DESCRIPTION NAME VC336 VC346 GENERAL-PURPOSE I/O (GIO) GIOA[0]/INT0 28 28 3.3-V I IPD General-purpose input/output pins. GIOA[0]/INT[0] is an input-only pin. GIOA[7:0]/INT[7:0] are interrupt- capable pins. GIOA[1]/INT[1]/ECLK pin is multiplexed with the external clock-out function of the external clock prescale (ECP) module. GIOA[2]/INT[2], GIOA[3]/INT[3], and GIOB[0:3] pins are not applicable on the VC336 device. GIOA[1]/INT1/ ECLK 29 29 3.3-V I/O GIOA[2]/INT2 – 30 GIOA[3]/INT3 – 31 GIOA[4]/INT4 25 25 GIOA[5]/INT5 24 24 GIOA[6]/INT6 23 23 GIOA[7]/INT7 22 22 GIOB[0] – 16 GIOB[1] – 15 GIOB[2] – 14 GIOB[3] – 13 MULTI-BUFFERED ANALOG-TO-DIGITAL CONVERTER (MibADC) ADEVT 67 66 3.3-V I/O IPD MibADC event input. ADEVT can be programmed as a GIO pin. ADIN[0] 75 75 3.3-V I MibADC analog input pins The VC336 device has only 12 input channels but all S/W registers are capable. ADIN[15:12] pins are not applicable to the VC336 device. The VC346 device has all 16 input channels. ADIN[1] 74 74 ADIN[2] 73 73 ADIN[3] 72 72 ADIN[4] 71 71 ADIN[5] 70 69 ADIN[6] 69 68 ADIN[7] 68 67 ADIN[8] 79 82 ADIN[9] 78 80 ADIN[10] 77 78 ADIN[11] 76 76 ADIN[12] – 81 ADIN[13] – 79 ADIN[14] – 77 ADIN[15] – 70 ADREFHI 80 83 3.3-V REF I MibADC module high-voltage reference input ADREFLO 81 84 GND REF I MibADC module low-voltage reference input VCCAD 82 85 3.3-V PWR MibADC analog supply voltage VSSAD 83 86 GND MibADC analog ground reference |
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