EM78P510N
8-Bit Microcontrollers
Bit 3 (HLP): Power Consumption Selection Bit
0 : Low power consumption, apply to working frequency at 4MHz or below 4MHz.
1 : High power consumption, apply to working frequency above 4MHz.
Bits 2~0 (PR2~PR0): Protect Bit
PR2~PR0 are protect bits, protect type are as follows:
PR2
0
PR1
0
PR0
0
Protect
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Disable
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
2. Code Option Register (Word 1)
Word 1
Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
-- -- -- -- -- -- -- HLFS -- -- FCB0 FCB1 RESETB
Bit 0
Bits 12~6 (Not used)
Bit 5 (HLFS): Main or Sub Oscillator Select Bit
0 : CPU is selected as sub-oscillator when a reset occurs
1 : CPU is selected as main-oscillator when a reset occurs
Bits 4~3
(Not used)
Bits 2~1 (FCB1~FCB0): Frequency Select Bit
FCB1
FCB0
Operation Frequency
100k~1M
0
0
1
1
0
1
0
1
1M~6M
6M~12M
12M~20M
Bit 0 (RESETB): Reset Pin Enable Bit
0 : Enable, P81//RESET → RESET pin
1 : Disable, P81//RESET → P81
3. Customer ID Register (Word 2)
Word 2
Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Customer ID
Product Specification (V0.9) 09.12.2006
(This specification is subject to change without further notice)
• 91
ELAN [ ELAN MICROELECTRONICS CORP ]
