EM78P510N
8-Bit Microcontrollers
6.10 A/D Converter
Registers for AD Converter Circuit
R_BANK Address NAME Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ADCR ADRUN ADP ADCK1 ADCK0 ADIS3 ADIS2 ADIS1 ADIS0
R/W R/W R/W R/W R/W R/W R/W R/W
CALI ADREF ADE11 ADE10 ADE9 ADE8
R/W R/W R/W R/W R/W R/W
ADE7 ADE6 ADE5 ADE4 ADE3 ADE2 ADE1 ADE0
R/W R/W R/W R/W R/W R/W R/W R/W
ADDH ADD11 ADD10 ADD9 ADD8 ADD7 ADD6 ADD5 ADD4
Bank 3
Bank 3
Bank 3
Bank 3
Bank 3
Bank 0
Bank 0
0X09
0x0A
0X0B
0X0C
0X0D
0x0E
0x0F
ADICH
ADICL
R
R
R
R
R
R
R
R
ADDL
IMR
SIGN VOF[2] VOF[1] VOF[0] ADD3 ADD2 ADD1 ADD0
R/W R/W R/W R/W
R
R
R
R
T1IE LVDIE ADIE SPIE URTIE EXIE9 EXIE8 TCIE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
T1IF LVDIF ADIF SPIF URTIF EXIF9 EXIF8 TCIF
ISR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
AD11 (PB7)
AD10 (PB6)
AD9 (PB5)
AD8 (PB4)
AD7 (PA3)
VDD
VREF
AD6 (PA2)
AD5 (PA1)
AD4 (PA0)
AD3 (P77)
Power Down
ADC
(Successive Approxim ation)
Start to Convert
Fosc/4
Fosc/16
Fosc/32
Fosc/64
AD2 (P76)
AD1 (P75)
AD0 (P74)
4 to 1
M UX
7 - 0
11 - 8
ADICL
3
2
1
0
5
4
5
5
11 10
9
8
7
6
5
4
3
2
1
0
7
6
6
ADCR
ADICH
ADICH
ADCR
ADCR
ISR
IM R
DATA BUS
Fig. 6-16 AD Converter
This is a 12-bit successive approximation type AD converter. The upper side of analog
reference voltage can select either internal VDD or external input pin P84 (VREF) by
setting the ADREF bit in ADICH.
70 •
Product Specification (V0.9) 09.12.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
