參數(shù)資料
型號: TMS470R1B768PGEQR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 47/49頁
文件大?。?/td> 552K
代理商: TMS470R1B768PGEQR
www.ti.com ......................................................................................................................................................... SPNS108B – AUGUST 2005 – REVISED MAY 2008
Table 2. Terminal Functions
TERMINAL
INTERNAL
TYPE(1)(2)
PULLUP/
DESCRIPTION
NAME
NO.
PULLDOWN(3)
HIGH-END TIMER (HET)
HET[0]
129
HET[1]
130
HET[2]
137
HET[3]
138
HET[4]
139
HET[5]
140
HET[6]
141
HET[7]
142
HET[8]
79
HET[9]
80
HET[10]
29
HET[11]
28
The B768 device has both the logic and registers for a full 32-I/O HET
HET[12]
27
implemented and all 32 pins are available externally.
HET[13]
26
Timer input capture or output compare. The HET[31:0] applicable pins can be
programmed as general-purpose input/output (GIO) pins. HET[23:0] are
HET[14]
25
high-resolution pins and HET[31:24] are standard-resolution pins.
HET[15]
24
The high-resolution (HR) SHARE feature allows even HR pins to share the
3.3-V I/O
IPD (20 A)
HET[16]
23
next higher odd-numbered HR pin structures. This HR sharing is independent
of whether or not the odd pin is available externally. If an odd pin is available
HET[17]
22
externally and shared, then the odd pin can only be used as a
HET[18]
71
general-purpose I/O. For more information on HR SHARE, see the
TMS470R1x High-End Timer (HET) Reference Guide (literature number
HET[19]
70
SPNU199).
HET[20]
69
HET[21]
68
HET[22]
67
HET[23]
123
HET[24]
51
HET[25]
124
HET[26]
125
HET[27]
126
HET[28]
47
HET[29]
48
HET[30]
49
HET[31]
50
HIGH-END CAN CONTROLLER 1 (HECC1)
CAN1HTX
88
3.3-V I/O
IPU (20 A)
HECC1 transmit pin or GIO pin
CAN1HRX
87
3.3-V I/O
HECC1 receive pin or GIO pin
HIGH-END CAN CONTROLLER 2 (HECC2)
CAN2HTX
56
3.3-V I/O
IPU (20 A)
HECC2 transmit pin or GIO pin
CAN2HRX
57
3.3-V I/O
HECC2 receive pin or GIO pin
HIGH-END CAN CONTROLLER 3 (HECC3)
CAN3HTX
78
3.3 V I/O
IPU (20 A)
HECC3 transmit pin or GIO pin
CAN3HRX
77
3.3 V I/O
HECC3 receive pin or GIO pin
(1)
I = input, O = output, PWR = power, GND = ground, REF = reference voltage, NC = no connect
(2)
All I/O pins, except RST , are configured as inputs while PORRST is low and immediately after PORRST goes high.
(3)
IPD = internal pulldown, IPU = internal pullup (all internal pullups and pulldowns are active on input pins, independent of the PORRST
state.)
Copyright 2005–2008, Texas Instruments Incorporated
7
Product Folder Link(s): TMS470R1B768
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