MAS9191EB 查看數據表（PDF） - Micro Analog systems

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MAS9191EB

EVALUATION BOARD FOR CELLULAR BASEBAND ICs

Micro Analog systems 

CONNECTOR DESCRIPTION

DA9191EB.006

June 30,1997

Connector name

P7

RAM MEMORY

0-7FFFH

0-7FFFH

P8

P3

Pin

Function

LCD connector. The HD44780 LCD controller command register exits at

address 0x1FFC and the data register is at address 0x1FFD.

1

Ground.

2

+5Vdc power supply.

3

Contrast control.

4

Register select. Connected to uP line A0 = address 0.

5

LCD enable input.

6

R/W input. Connected to ground. Always in write mode.

7

Data line 0.

8

Data line 1.

9

Data line 2.

10

Data line 3.

11

Data line 4.

12

Data line 5.

13

Data line 6.

14

Data line 7.

FLASH

P6

Physical Flash memory area

8000H

1-2

8000H-FFFFH

8000H

2-3

0000H-7FFFH

The digital output port at address 0x1FFE.

1

Ground.

2

Data output 0.

3

Data output 1.

4

Data output 2.

5

Data output 3.

6

Data output 4.

7

Data output 5.

8

Data output 6.

9

Data output 7.

10

VDD

RS-232-C interface.

2

Received data from DTE.

3

Transmit data to DTE.

7

Data terminal ready input. Note that this line can be used to reset the entire

evaluation board.

20

Signal ground.

8

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