EM6520 datasheet(39/55 Pages) EMMICRO

39 / 55 page

EM6520

03/02 REV. D/449

 2002, EM Microelectronic-Marin SA

www.emmicroelectronic.com

13 PERIPHERAL MEMORY MAP

Reset values are valid after power up or after every system reset.

Name

Add

Hex

Add

Dec

Reset

Value

Read Bits

Write Bits

Remarks

b'3210

Read / Write Bits

Ram_0

xxxx

0: data0

1: data1

2: data2

3: data3

Direct addressable Ram

64x4

...

Ram_63

xxxx

0: data0

1: data1

2: data2

3: data3

Direct addressable Ram

64x4

LCD_0

xxxx

0: Data0

1: Data1

2: Data2

3: Data3

Direct addressable LCD

...

LCD_15

xxxx

0: Data0

1: Data1

2: Data2

3: Data3

Direct addressable LCD

RegPA

xxxx

0: PA[0]

1: PA[1]

2: PA[2]

3: PA[3]

----

Read port A directly

RegPBCntl

0000

0: PBIOCntl[0]

1: PBIOCntl[1]

2: PBIOCntl[2]

3: PBIOCntl[3]

Port B Control

Default: input mode

RegPBData

xxxx

0: PB[0]

1: PB[1]

2: PB[2]

3: PB[3]

0: PBData[0]

1: PBData[1]

2: PBData[2]

3: PBData[3]

Port B data output

Pin port B read

Default : 0

RegPB0Comp

0000

0: PB0CompSelect

1: PB0CompEnable

2: PB0CompResult

3: '0'

0: PB0CompSelect

1: PB0CompEnable

2: --

3: --

Port B[0] dynamic

input comparator control

RegCCntl1

0000

0: CountFSel0

1: CountFSel1

2: CountFSel2

3: UP/Down

10 bit counter

control 1;

Frequency and up/down

RegCCntl2

0000

0: '0'

1: EnComp

2: EvCount

3: Start

0 : Load

1: EnComp

2: EvCount

3: Start

10 bit counter control 2;

comparison, event

counter and start

EM6520 Datasheet(PDF) 39 Page - EM Microelectronic - MARIN SA

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