EM78159NKM Просмотр технического описания (PDF) - ELAN Microelectronics

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EM78159NKM

8-Bit Microcontroller with OTP ROM

ELAN Microelectronics 

EM78P159N

8-Bit Microcontroller with OTP ROM

4.1.5 R4 (RAM Select Register)

Bits 0~5 are used to select registers (Address: 00~06, 0F~3F) in the indirect

addressing mode.

Bits 6~7 Not used (read only). Set these bits to “1” all the time.

The “Z” flag of R3 will set to “1” when the R4 content is equal to “3F.” When R4=R4+1,

the R4 content will select “R0.”

4.1.6 R5 ~ R6 (Port 5 ~ Port 6)

R5 and R6 are I/O registers. Only the lower 7 bits of R5 are available.

4.1.7 RD (Manual Calibration Register)

EM78P159N

ICE159N Simulator

Bit 7

X

-

Bit 6

X

-

Bit 5

X

-

Bit 4

X

-

Bit 3

X

C3

Bit 2

X

C2

Bit 1

X

C1

Bit 0

X

C0

In EM78P159N: The register does not exist in real chip.

In ICE159N Simulator: C3 ~ C0 are IRC calibration bits in MCIRC mode.

Bit 3 ~ Bit 0 (C3 ~ C0): are the Calibrators of internal RC mode

C3

C2

C1

C0

0

0

0

0

0

0

0

1

0

0

1

0

0

0

1

1

0

1

0

0

0

1

0

1

0

1

1

0

0

1

1

1

1

1

1

1

1

1

1

0

1

1

0

1

1

1

0

0

1

0

1

1

1

0

1

0

1

0

0

1

1

0

0

0

Cycle Time (ns)

390.6

365.0

342.5

322.6

304.9

289.0

274.7

261.8

250.0

239.2

229.4

220.3

211.9

204.1

196.7

190.1

Frequency (MHz)

2.56

2.74

2.92

3.1

3.28

3.46

3.64

3.82

4.00

4.18

4.36

4.54

4.72

4.9

5.08

5.26

NOTES:

1. Frequency values shown are theoretical and taken from an instance of a high

frequency mode. Hence they are shown for reference only. Definite values will

depend on the actual process.

2. Similar way of calculation is also applicable to Low Frequency mode.

Bits 4~7: Not used

Product Specification (V1.0) 03.10.2006

•9

(This specification is subject to change without further notice)

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