ADSP-2191MKCA-160X データシートの表示（PDF） - Analog Devices

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ADSP-2191MKCA-160X

DSP Microcomputer

Analog Devices 

35(/,0,1$5< 7(&+1,&$/ '$7$

ADSP-2191

For current information contact Analog Devices at 800/262-5643

September 2001

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.

Table 7. Pin Descriptions

Pin

A21–0

D7–0

D15

/PF15

/SPI1SEL7

D14

/PF14

/SPI0SEL7

D13

/PF12

/SPI1SEL6

D12

/PF12

/SPI0SEL6

D11

/PF11

/SPI1SEL5

D10

/PF10

/SPI0SEL5

D9

/PF9

/SPI1SEL4

D8

/PF8

/SPI0SEL4

PF7

/SPI1SEL3

/DF

PF6

/SPI0SEL3

/MSEL6

PF5

/SPI1SEL2

/MSEL5

PF4

/SPI0SEL2

/MSEL4

Type Function

O/T External Port Address Bus

I/O/T External Port Data Bus, least significant 8 bits

I/O/T Data 15 (if 16-bit external bus)/Programmable Flags 15 (if 8-bit external bus)/SPI1 Slave

I/O Select output 7 (if 8-bit external bus, when SPI1 enabled)

I

I/O/T Data 14 (if 16-bit external bus)/Programmable Flags 14 (if 8-bit external bus)/SPI0 Slave

I/O Select output 7 (if 8-bit external bus, when SPI0 enabled)

I

I/O/T Data 13 (if 16-bit external bus)/Programmable Flags 13 (if 8-bit external bus)/SPI1 Slave

I/O Select output 6 (if 8-bit external bus, when SPI1 enabled)

I

I/O/T Data 12 (if 16-bit external bus)/Programmable Flags 12 (if 8-bit external bus)/SPI0 Slave

I/O Select output 6 (if 8-bit external bus, when SPI0 enabled)

I

I/O/T Data 11 (if 16-bit external bus)/Programmable Flags 11 (if 8-bit external bus)/SPI1 Slave

I/O Select output 5 (if 8-bit external bus, when SPI1 enabled)

I

I/O/T Data 10 (if 16-bit external bus)/Programmable Flags 10 (if 8-bit external bus)/SPI0 Slave

I/O Select output 5 (if 8-bit external bus, when SPI0 enabled)

I

I/O/T Data 9 (if 16-bit external bus)/Programmable Flags 9 (if 8-bit external bus)/SPI1 Slave Select

I/O output 4 (if 8-bit external bus, when SPI1 enabled)

I

I/O/T Data 8 (if 16-bit external bus)/Programmable Flags 8 (if 8-bit external bus)/SPI0 Slave Select

I/O output 4 (if 8-bit external bus, when SPI0 enabled)

I

I/O/T Programmable Flags 7/SPI1 Slave Select output 3 (when SPI0 enabled)/Divisor Frequency

I

(divisor select for PLL input during boot)

I

I/O/T Programmable Flags 6/SPI0 Slave Select output 3 (when SPI0 enabled)/Multiplier Select 6

I

(during boot)

I

I/O/T Programmable Flags 5/SPI1 Slave Select output 2 (when SPI0 enabled)/Multiplier Select 5

I

(during boot)

I

I/O/T Programmable Flags 4/SPI0 Slave Select output 2 (when SPI0 enabled)/Multiplier Select 4

I

(during boot)

I

18

This information applies to a product under development. Its characteristics and specifications are subject to change with-

REV. PrC

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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