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参数资料
| 型号： | ADSP-2191MBSTZ-140 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/48页 |
| 文件大小： | 0K |
| 描述： | IC DSP CONTROLLER 16BIT 144LQFP |
| 标准包装： | 1 |
| 系列： | ADSP-21xx |
| 类型： | 定点 |
| 接口： | 主机接口，SPI，SSP，UART |
| 时钟速率： | 140MHz |
| 非易失内存： | 外部 |
| 芯片上RAM： | 160kB |
| 电压 - 输入/输出： | 3.00V，3.30V |
| 电压 - 核心： | 2.50V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-LQFP |
| 供应商设备封装： | 144-LQFP（20x20） |
| 包装： | 托盘 |
| 其它名称： | ADSP-2191MBSTZ140 |
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–15–
REV. A
ADSP-2191M
Design-for-Emulation Circuit Information
For details on target board design issues including: single
processor connections, multiprocessor scan chains, signal buff-
ering, signal termination, and emulator pod logic, see the EE-68:
Analog Devices
JTAG Emulation Technical Reference on the Analog
Devices website (www.analog.com)—use site search on
“EE-68.” This document is updated regularly to keep pace with
improvements to emulator support.
Additional Information
This data sheet provides a general overview of the ADSP-2191M
architecture and functionality. For detailed information on the
core architecture of the ADSP-219x family, refer to the
ADSP-219x/ADSP-2191 DSP Hardware Reference. For details on
the instruction set, refer to the ADSP-219x Instruction Set
Reference.
PIN FUNCTION DESCRIPTIONS
ADSP-2191M pin definitions are listed in Table 7. All
ADSP-2191M inputs are asynchronous and can be asserted
asynchronously to CLKIN (or to TCK for
TRST).
Tie or pull unused inputs to V
DDEXT or GND, except for
ADDR21–0, DATA15–0, PF7-0, and inputs that have internal
pull-up or pull-down resistors (
TRST, BMODE0, BMODE1,
OPMODE, BYPASS, TCK, TMS, TDI, and
RESET)—these
pins can be left floating. These pins have a logic-level hold circuit
that prevents input from floating internally.
The following symbols appear in the Type column of Table 7: G
= Ground, I = Input, O = Output, P = Power Supply, and T =
Three-State.
Figure 7. JTAG Pod Connector Keep-Out Area
0.10"
0.15"
Table 7. Pin Function Descriptions
Pin
Type
Function
A21–0
O/T
External Port Address Bus
D7–0
I/O/T
External Port Data Bus, least significant 8 bits
D15
/PF15
/SPI1SEL7
I/O/T
I/O
I
Data 15 (if 16-bit external bus)/Programmable Flags 15 (if 8-bit external bus)/SPI1 Slave
Select output 7 (if 8-bit external bus, when SPI1 enabled)
D14
/PF14
/SPI0SEL7
I/O/T
I/O
I
Data 14 (if 16-bit external bus)/Programmable Flags 14 (if 8-bit external bus)/SPI0 Slave
Select output 7 (if 8-bit external bus, when SPI0 enabled)
D13
/PF12
/SPI1SEL6
I/O/T
I/O
I
Data 13 (if 16-bit external bus)/Programmable Flags 13 (if 8-bit external bus)/SPI1 Slave
Select output 6 (if 8-bit external bus, when SPI1 enabled)
D12
/PF12
/SPI0SEL6
I/O/T
I/O
I
Data 12 (if 16-bit external bus)/Programmable Flags 12 (if 8-bit external bus)/SPI0 Slave
Select output 6 (if 8-bit external bus, when SPI0 enabled)
D11
/PF11
/SPI1SEL5
I/O/T
I/O
I
Data 11 (if 16-bit external bus)/Programmable Flags 11 (if 8-bit external bus)/SPI1 Slave
Select output 5 (if 8-bit external bus, when SPI1 enabled)
D10
/PF10
/SPI0SEL5
I/O/T
I/O
I
Data 10 (if 16-bit external bus)/Programmable Flags 10 (if 8-bit external bus)/SPI0 Slave
Select output 5 (if 8-bit external bus, when SPI0 enabled)
D9
/PF9
/SPI1SEL4
I/O/T
I/O
I
Data 9 (if 16-bit external bus)/Programmable Flags 9 (if 8-bit external bus)/SPI1 Slave Select
output 4 (if 8-bit external bus, when SPI1 enabled)
D8
/PF8
/SPI0SEL4
I/O/T
I/O
I
Data 8 (if 16-bit external bus)/Programmable Flags 8 (if 8-bit external bus)/SPI0 Slave Select
output 4 (if 8-bit external bus, when SPI0 enabled)
PF7
/SPI1SEL3
/DF
I/O/T
I
Programmable Flags 7/SPI1 Slave Select output 3 (when SPI0 enabled)/Divisor Frequency
(divisor select for PLL input during boot)
PF6
/SPI0SEL3
/MSEL6
I/O/T
I
Programmable Flags 6/SPI0 Slave Select output 3 (when SPI0 enabled)/Multiplier Select 6
(during boot)
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