Figure 13.3.2 A/D Control Register 2 (Adc2) - Fujitsu F2MC-8L MB89620 Series Hardware Manual

13.3 Structure of A/D Converter
13.3.2 A/D Control Register 2 (ADC2)
A/D control register 2 (ADC2) is used to select the A/D converter functions, select the
input clock, enable or disable interrupts and continuous activation, and check the
state of the A/D converter.
n A/D Control Register 2 (ADC2)
R/W : Readable and wrtiable
—
X
252
CHAPTER 13 A/D CONVERTER
Address Bit 7 Bit 6
0021 — —
H
: Unused
: Indeterminate
: Initial value

Figure 13.3.2 A/D Control Register 2 (ADC2)

Bit5 Bit 4 Bit 3 Bit 2
— ADCK ADIE ADMD
R/W R/W R/W
RESV1
Always write "1" to this bit.
EXT Continuous activation enable bit
0 Activates by the AD bit in the ADC1 register.
1 Activates continuously by the clock selected in the ADCK bit.
ADMD
0 A/D conversion function
1 Sense function
ADIE
0 Disables interrupt request output.
1 Enables interrupt request output.
ADCK
Only applies when continuous activation is enabled (EXT = "1").
0 Timebase timer output (divide-by-2
1 External clock (ADST pin)
Bit 1 Bit 0 Initial value
EXT RESV1 XXX00001
R/W R/W
Reserved bit
Function selection bit
Interrupt request enable bit
Input clock selection bit
8 source oscillation)
B
MB89620 series