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EM78P342NP Datasheet(PDF) 34 Page - ELAN Microelectronics Corp

Part # EM78P342NP
Description  8-Bit Microprocessor with OTP ROM
PDF  102 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P342NP Datasheet(HTML) 34 Page - ELAN Microelectronics Corp

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EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
28
•
Product Specification (V1.0) 12.01.2006
(This specification is subject to change without further notice)
Bit 6 ~ Bit 4 (HTS2 ~ HTS0): High-time scale bits:
HTS2
HTS1
HTS0
High-time rate
0
0
0
1:2
0
0
1
1:4
0
1
0
1:8
0
1
1
1:16
1
0
0
1:32
1
0
1
1:64
1
1
0
1:128
1
1
1
1:256
Bit 3 (LTSE): Low-time scale enable bit.
0 = scale disable bit, Low-time rate is 1:1
1 = scale enable bit, Low-time rate is set as Bit 2~Bit 0.
Bit 2 ~ Bit 0 (LTS2 ~ LTS0): Low-time scale bits:
LTS2
LTS1
LTS0
Low-time Rate
0
0
0
1:2
0
0
1
1:4
0
1
0
1:8
0
1
1
1:16
1
0
0
1:32
1
0
1
1:64
1
1
0
1:128
1
1
1
1:256
6.2.19 IOCC1 (TCC Prescaler Counter)
TCC prescaler counter can be read and written to:
PST2 PST1 PST0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TCC
Rate
0
0
0
-
-
-
-
-
-
-
V
1:2
0
0
1
-
-
-
-
-
-
V
V
1:4
0
1
0
-
-
-
-
-
V
V
V
1:8
0
1
1
-
-
-
-
V
V
V
V
1:16
1
0
0
-
-
-
V
V
V
V
V
1:32
1
0
1
-
-
V
V
V
V
V
V
1:64
1
1
0
-
V
V
V
V
V
V
V
1:128
1
1
1
V
V
V
V
V
V
V
V
1:256
V = valid value
The TCC prescaler counter is assigned to TCC (R1).
The contents of the IOCC1 register are cleared when one of the following occurs:
a value is written to TCC register
a value is written to TCC prescaler bits (Bits 3, 2, 1, 0 of CONT)
power-on reset, /RESET
WDT time out reset



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