TMS470R1VC336,TMS470R1VC346

16/32-BIT RISC ROM MICROCONTROLLERS

SPNS084E – MAY 2003 – REVISED AUGUST 2006

9

POST OFFICE BOX 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

INTERNAL

PULLUP/

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

80

83

3.3-V

REF I

MibADC module high-voltage reference input

81

84

GND

REF I

MibADC module low-voltage reference input

82

85

3.3-V

PWR

MibADC analog supply voltage

83

86

GND

MibADC analog ground reference