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| 型號： | TMS320F240PQA |
| 英文描述： | 16-Bit Microcontroller |
| 中文描述： | 16位微控制器 |
| 文件頁數(shù)： | 6/105頁 |
| 文件大小： | 1481K |
| 代理商： | TMS320F240PQA |
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TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
6
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Terminal Functions
TERMINAL
NAME
TYPE
DESCRIPTION
NO.
EXTERNAL INTERFACE DATA/ADDRESS SIGNALS
A0 (LSB)
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15 (MSB)
110
111
112
114
115
116
117
118
119
122
123
124
125
126
127
128
O/Z
Parallel address bus A0 [least significant bit (LSB)] through A15 [most significant bit (MSB)]. A15–A0
are multiplexed to address external data/program memory or I/O. A15–A0 are placed in
high-impedance state when EMU1/OFF is active low and hold their previous states in power-down
modes.
D0 (LSB)
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15 (MSB)
9
10
11
12
15
16
17
18
19
22
23
24
25
26
27
28
I/O/Z
Parallel data bus D0 (LSB) through D15 (MSB). D15–D0 are multiplexed to transfer data between the
TMS320x240 and external data/program memory and I/O space (devices). D15–D0 are placed in the
high-impedance state when not outputting, when in power-down mode, when reset (RS) is asserted,
or when EMU1/OFF is active low.
EXTERNAL INTERFACE CONTROL SIGNALS
DS
PS
IS
129
131
130
O/Z
Data, program, and I/O space select signals. DS, PS, and IS are always high unless low-level asserted
for communication to a particular external space. They are placed in the high-impedance state during
reset, power down, and when EMU1/OFF is active low.
READY
36
I
Data ready. READY indicates that an external device is prepared for the bus transaction to be
completed. If the device is not ready (READY is low), the processor waits one cycle and checks
READY again.
R/W
4
O/Z
Read/write signal. R/W indicates transfer direction during communication to an external device. It is
normally in read mode (high), unless low level is asserted for performing a write operation. It is placed
in the high-impedance state during reset, power down, and when EMU1/OFF is active low.
STRB
6
O/Z
Strobe. STRB is always high unless asserted low to indicate an external bus cycle. It is placed in the
high-impedance state during reset, power down, and when EMU1/OFF is active low.
WE
1
O/Z
Write enable. The falling edge of WE indicates that the device is driving the external data bus
(D15–D0). Data can be latched by an external device on the rising edge of WE. WE is active on all
external program, data, and I/O writes. WE goes in the high-impedance state following reset and when
EMU1/OFF is active low.
W/R
132
O/Z
Write/read. W/R is an inverted form of R/W and can connect directly to the output enable of external
devices. W/R is placed in the high-impedance state following reset and when EMU1/OFF is active low.
I = input, O = output, Z = high impedance
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320F240PQG4 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC CMOS 320F240 BQFP TMS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小: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 |
| TMS320F240PQS | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 32B Dig Sig Cntrllr w/ Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小: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 |
| TMS320F241FN | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16B 5V fixed point DSP w/ Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小: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 |
| TMS320F241FN | 制造商:Texas Instruments 功能描述:IC C2000 DSP SMD 320F241 PLCC68 |
| TMS320F241FNA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16B 5V fixed point DSP w/ Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小: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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