A/D Control Register 2 (Adc2) - Fujitsu F2MC-8FX Hardware Manual

CHAPTER 23 10-BIT A/D CONVERTER
23.4.2

A/D Control Register 2 (ADC2)

A/D control register 2 (ADC2) selects the 10-bit A/D converter function, selects the input
clock, and performs interrupt and status checking.
A/D Control Register 2 (ADC2)
Address
AD8
006D
H
R/W
MCLK
R/W
420
Figure 23.4-3 A/D Control Register 2 (ADC2)
bit7 bit6 bit5 bit4
TIM1 TIM0 ADCK ADIE
R/W R/W R/W
CKDIV1
EXT
ADIE
ADCK
TIM1
AD8
: Machine clock
: Readable/writable (Read value is the same as write value)
: Initial value
bit3 bit2 bit1
EXT
CKDIV1 CKDIV0
R/W R/W R/W
CKDIV0 Clock (CKIN) select bits
0 0
0 1
1 0
1 1
Continuous conversion enable bit
0
Start using the AD bit in the ADC1 register
1
Continuous activation with the clock selected by the ADCK bit in the ADC2 register
Interrupt request enable bit
0
Disables interrupt request output.
1
Enable interrupt request output.
External start signal select bit
0 Start via ADTG input pin
1
Start via 8/16-bit composite timer (TO00) output
Sampling time select bits
TIM0
0 0
0 1
1 0
1 1
Precision select bit
0
10-bit precision
1
8-bit precision
bit0 Initial value
00000000
B
R/W
1 MCLK
2 MCLK
4 MCLK
8 MCLK
CKIN x 4
CKIN x 7
CKIN x 10
CKIN x 16