A/D Control Status Register (Adcs) - Fujitsu MB91260B Series Hardware Manual

CHAPTER 14 8/10-BIT A/D CONVERTER
14.4.3

A/D Control Status Register (ADCS)

The A/D control status register has features to suspend and confirm conversion, enable/
disable interrupt requests, confirm the status of interrupt requests, and select the A/D
conversion resolution.
■ A/D Control Status Register (ADCS: ADCS0 to ADCS2)
00007C
H
000084
H
00008C
H
Read/Write →
Initial value →
R/W: Readable/Writable
W: Write only
: Initial value
336
Bit15 Bit14 Bit13
BUSY INT INTE
R/W R/W R/W
(0) (0) (0)
INT
0
1
BUSY
0 Now stop A/D conversion
1 Now A/D converting
Bit12 Bit11 Bit10
PAUS S10 -
R/W R/W -
(0) (0) (X)
A/D conversion start bit
START
(Only enable at software starting)
0 A/D conversion function is not starting.
1 A/D conversion function is starting.
S10 A/D conversion resolution selection bit
0 10-bit resolution (D9 to D0)
1 8-bit resolution (D7 to D0)
PAUS Halt flag bit
0 Generate no halting of A/D conversion operation
1 Halt on A/D conversion operation
INTE Interrupt request enable bit
0 Interrupt request output is disabled.
1 Interrupt request output is enabled.
Interrupt request flag bit
At read
No A/D conversion ends Bit clear
A/D conversion ends
A/D converting bit
At read
Bit9 Bit8
START -
W -
(0) (0)
At write
No change, no impact to others.
At write
A/D conversion forcibly stops
No change, no impact to others.