tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 465

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(Note 1) Before starting AD conversion, write "1" to the <VREFON> bit, wait for 3 μs during which
(Note 2) To go into standby mode upon completion of AD conversion, set <VREFON> to "0."
Analog/Digital Converter
ADCMOD1
(0xFF00_ 4E08)
time the internal reference voltage should stabilize, and then write "1" to the
ADMOD0<ADS> bit.
bit Symbol
Read/Write
After reset
Function
<ADCH3.2, 1, 0>
VREF
0: OFF
1: ON
VREFON
application
control
1000~1111
7
0
0000
0001
0010
0011
0100
0101
0110
0111
IDLE
0: Stop
1: Activate
I2AD
<SCAN>
6
TMP19A44(rev1.3) 17-6
0
A/D Mode Control Register 1
Select analog input channel
Specify
operation
mode for
channel
scanning
0: 4ch scan
1: Setting
prohibited
ADSCN
5
0
Fixed channel
AINC0
AINC1
AINC2
AINC3
AINC4
AINC5
AINC6
AINC7
0
Write "0."
4
−
0
R/W
AIN0
AIN 0 to AIN 1
AIN 0 to AIN 2
AIN 0 to AIN 3
AINC4
AINC4 to AINC5
AINC4 to AINC6
AINC4 to AINC7
ADCH3
3
0
Channel scan
(ADSCN=0)
Setting prohibited
1
Select analog input channel
ADCH2
2
0
TMP19A44
ADCH1
AINC0
AINC 0 to AINC 1
AINC 0 to AINC 2
AINC 0 to AINC 3
AINC 0 to AINC 4
AINC 0 to AINC 5
AINC 0 to AINC 6
AINC 0 to AINC 3
1
0
Channel scan
(ADSCN=1)
2010-04-01
ADCH0
1
0
0