Toshiba TMP91C824F Data Book page 183

3.11.1 Analog/Digital converter registers
The A/D converter is controlled by the two A/D mode control registers: ADMOD0 and ADMOD1. The
A/D conversion results are stored in 8 kinds of A/D conversion data Upper and Lower registers:
ADREG04H/L, ADREG15H/L, ADREG26H/L and ADREG37H/L.
Figure 3.11.2 shows the registers related to the A/D converter.
Bit symbol EOCF
ADMOD0
(02B0H) Read/Write
After Reset
A/D
Conversion
End flag
0: conversion
Function in progress
1: conversion
complete
A/D Mode Control Register 0
7 6 5
−
ADBF
R
0 0 0
A/D Note:
Conversion Always
Busy flag fixed to 0
0: conversion
stopped
1: Conversion
in progress
Figure 3.11.2 A/D Converter Related Register
91C824-180
4 3
−
ITM0 REPEAT
R/W
0 0
Note: Interrupt Repeat mode
Always specification specification
fixed to 0 in conversion 0: Single
channel fixed Conversion
repeat mode 1: Repeat
0: every Conversion
conversion Mode
1: every fourth
conversion
A/D conversion start
0 Don't care
1 Start A/D conversion
(note): Always read as 0.
A/D scan mode setting
0 A/D Conversion Channel Fixed Mode
1 A/D Conversion Channel Scan Mode
A/D repeat mode setting
0 A/D Single Conversion Mode
1 A/D Repeat Conversion Mode
Specify A/D conversion interrupt for Channel Fixed
Repeat Conversion Mode
Channel Fixed Repeat Conversion Mode
<SCAN> = "0", <REPEAT> = "1"
0 Generates interrupt every conversion.
1 Generates interrupt every fourth conversion.
A/D Conversion Busy flag
0 A/D conversion stopped
1 A/D conversion in progress
A/D Conversion End flag
0 Before or during A/D conversion
1 A/D conversion complete
TMP91C824
2 1 0
SCAN ADS
0 0 0
Scan mode A/D
specification conversion
0: Conversion start
Channel 0: Don't care
Fixed Mode 1: start
1: Conversion conversion
Channel Always 0
Scan Mode when read