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參數(shù)資料
| 型號(hào)： | TMS320F28335_1 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Variable Capacitance Diode for TV Tuner VHF Tuning; Ratings VR (V): 32; Characteristics n: 12.0 min; Characteristics rs (ohm) max: 0.85; Characteristics C (pF) max: C2 = 32.2 to 37.5 C25 = 2.57 to 3.0; Characteristics CVR/CVR: 2/25; Cl: 2.777; Package: UFP |
| 中文描述： | 數(shù)字信號(hào)控制器（DSC） |
| 文件頁(yè)數(shù)： | 23/166頁(yè) |
| 文件大?。?/td> | 1889K |
| 代理商： | TMS320F28335_1 |
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A
2.2
Signal Descriptions
TMS320F28335, TMS320F28334, TMS320F28332
Digital Signal Controllers (DSCs)
SPRS439B–JUNE 2007–REVISED OCTOBER 2007
Table 2-2
describes the signals on the F2833x devices. All digital inputs are TTL-compatible. All outputs
are 3.3 V with CMOS levels. Inputs are not 5-V tolerant.
Table 2-2. Signal Descriptions
PIN NO.
ZHH
BAL
L #
PGF
PIN
#
ZJ Z
BAL
L #
NAME
DESCRIPTION
(1)
J TAG
JTAG test reset with internal pulldown. TRST, when driven high, gives the scan system control of
the operations of the device. If this signal is not connected or driven low, the device operates in its
functional mode, and the test reset signals are ignored.
NOTE: TRST is an active high test pin and must be maintained low at all times during normal
device operation. An external pulldown resistor is recommended on this pin. The value of this
resistor should be based on drive strength of the debugger pods applicable to the design. A 2.2-k
resistor generally offers adequate protection. Since this is application-specific, it is recommended
that each target board be validated for proper operation of the debugger and the application. (I,
↓
)
JTAG test clock with internal pullup (I,
↑
)
JTAG test-mode select (TMS) with internal pullup. This serial control input is clocked into the TAP
controller on the rising edge of TCK. (I,
↑
)
JTAG test data input (TDI) with internal pullup. TDI is clocked into the selected register (instruction
or data) on a rising edge of TCK. (I,
↑
)
JTAG scan out, test data output (TDO). The contents of the selected register (instruction or data)
are shifted out of TDO on the falling edge of TCK. (O/Z 8 mA drive)
Emulator pin 0. When TRST is driven high, this pin is used as an interrupt to or from the emulator
system and is defined as input/output through the JTAG scan. This pin is also used to put the
device into boundary-scan mode. With the EMU0 pin at a logic-high state and the EMU1 pin at a
logic-low state, a rising edge on the TRST pin would latch the device into boundary-scan mode.
(I/O/Z, 8 mA drive
↑
)
NOTE:
An external pullup resistor is recommended on this pin. The value of this resistor should be
based on the drive strength of the debugger pods applicable to the design. A 2.2-k
to 4.7-k
resistor is generally adequate. Since this is application-specific, it is recommended that each target
board be validated for proper operation of the debugger and the application.
Emulator pin 1. When TRST is driven high, this pin is used as an interrupt to or from the emulator
system and is defined as input/output through the JTAG scan. This pin is also used to put the
device into boundary-scan mode. With the EMU0 pin at a logic-high state and the EMU1 pin at a
logic-low state, a rising edge on the TRST pin would latch the device into boundary-scan mode.
(I/O/Z, 8 mA drive
↑
)
NOTE:
An external pullup resistor is recommended on this pin. The value of this resistor should be
based on the drive strength of the debugger pods applicable to the design. A 2.2-k
to 4.7-k
resistor is generally adequate. Since this is application-specific, it is recommended that each target
board be validated for proper operation of the debugger and the application.
TRST
78
M10
L11
TCK
87
N12
M14
TMS
79
P10
M12
TDI
76
M9
N12
TDO
77
K9
N13
EMU0
85
L11
N7
EMU1
86
P12
P8
FLASH
V
DD3VFL
TEST1
TEST2
84
81
82
M11
K10
P11
L9
M7
L7
3.3-V Flash Core Power Pin. This pin should be connected to 3.3 V at all times.
Test Pin. Reserved for TI. Must be left unconnected. (I/O)
Test Pin. Reserved for TI. Must be left unconnected. (I/O)
CLOCK
Output clock derived from SYSCLKOUT. XCLKOUT is either the same frequency, one-half the
frequency, or one-fourth the frequency of SYSCLKOUT. This is controlled by bits 18:16 (XTIMCLK)
and bit 2 (CLKMODE) in the XINTCNF2 register. At reset, XCLKOUT = SYSCLKOUT/4. The
XCLKOUT signal can be turned off by setting XINTCNF2[CLKOFF] to 1. Unlike other GPIO pins,
the XCLKOUT pin is not placed in high-impedance state during a reset. (O/Z, 8 mA drive).
External Oscillator Input. This pin is to feed a clock from an external 3.3-V oscillator. In this case,
the X1 pin must be tied to GND. If a crystal/resonator is used (or if an external 1.9-V oscillator is
used to feed clock to X1 pin), this pin must be tied to GND. (I)
XCLKOUT
138
C11
A10
XCLKIN
105
J14
G13
(1)
I = Input, O = Output, Z = High impedance, OD = Open drain,
↑
= Pullup,
↓
= Pulldown
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Introduction
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| TMS320F28335PGFA | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Digital Signal Controller RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320F28335PGFA | 制造商:Texas Instruments 功能描述:IC DSC 32BIT 512KB 150MHZ 1.995V LQFP176 |
| TMS320F28335PTPQ | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Delfino Micrcntrlr RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320F28335PTPS | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Delfino Micrcntrlr RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320F28335ZHHA | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Digital Signal Controller RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
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