em78p510nso32j/s ELAN Microelectronics Corp, em78p510nso32j/s Datasheet - Page 94
em78p510nso32j/s
Manufacturer Part Number
em78p510nso32j/s
Description
8-bit Microprocessor With Otp Rom
Manufacturer
ELAN Microelectronics Corp
Datasheet
1.EM78P510NSO32JS.pdf
(122 pages)
- Current page: 94 of 122
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EM78P510N
8-Bit Microprocessor with OTP ROM
88 •
Bit 3 (HLP): Power Consumption Selection Bit
Bits 2~0 (Protect): Protect Bit
2. Code Option Register (Word 1)
Bits 12~7: Not used, but need to be clear to “1” all the time to avoid possible error.
Bit 6:
Bit 5 (HLFS): Main or Sub Oscillator Select Bit
Bits 4~3:
Bits 2~1 (FCB1~FCB0): Frequency Select Bit
Bit 0 (RESETENB): Reset Pin Enable Bit
3. Customer ID Register (Word 2)
Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
Mnem
onic
Bit
1
0
Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6
-
-
-
0 : Low power consumption, apply to working frequency at 4MHz or below 4MHz.
1 : High power consumption, apply to working frequency above 4MHz.
Protect are protect bits, protect type are as follows:
Not used, but need to be clear to “0” all the time to avoid possible error.
0 : CPU is selected as sub-oscillator when a reset occurs
1 : CPU is selected as main-oscillator when a reset occurs
Not used, but need to be clear to “1” all the time to avoid possible error.
0 : Enable, P81//RESET → /RESET pin
1 : Disable, P81//RESET → P81
0 : Enable
1 : Disable
-
-
-
FCB1
0
0
1
1
-
-
-
-
-
-
-
-
-
FCB0
Bit 7 Bit 6
0
1
0
1
(This specification is subject to change without further notice)
Customer ID
-
-
-
Word 2
Word 1
-
-
-
Bit 5 Bit 4
oscillator
oscillator
Product Specification (V1.1) 01.25.2008
HLFS
Operation Frequency
Bit 5
main
sub
12M~20M
100k~1M
6M~12M
1M~6M
Bit 4 Bit 3 Bit 2
-
-
-
Bit 3 Bit 2
-
-
-
FCB0
High
Low
Bit 1 Bit 0
FCB1
Bit 1
High
Low
/RESET
RESET
Bit 0
ENB
P81
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