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A/D Converter
14-5
14.4 Description of Registers
Table 14-4-1 lists the registers for this A/D converter.
Table 14-4-1 A/D Register List
Address
Name
Symbol
Number of bits Initial value Access size
x'34000400
A/D conversion control register
ADCTR
16
x'0000
8, 16
x'34000410
A/D0 conversion data buffer
AD0BUF
16
x'0000
8, 16
x'34000414
A/D1 conversion data buffer
AD1BUF
16
x'0000
8, 16
x'34000418
A/D2 conversion data buffer
AD2BUF
16
x'0000
8, 16
x'3400041C A/D3 conversion data buffer
AD3BUF
16
x'0000
8, 16
A/D conversion control register
Register symbol: ADCTR
Address:
x'34000400
Purpose:
This register sets the A/D conversion operation control conditions.
Bit No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
–
–
AD
AD
–
–
AD
AD
AD
AD
AD
AD
AD
AD
AD
AD
name
MC1 MC0
SC1
SC0
EN
ST1
ST0
SHC
CK1
CK0 MD1 MD0
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit No.
Bit name
Description
0
ADMD0
Operating mode selection (LSB)
1
ADMD1
Operating mode selection (MSB)
00: Any one channel/one-time conversion
01: Multiple channels/one-time conversion
10: Any one channel/continuous conversion
11: Multiple channels/continuous conversion
2
ADCK0
Conversion reference clock selection (LSB)
3
ADCK1
Conversion reference clock selection (MSB)
00: IOCLK/2
01: IOCLK/4
10: IOCLK/8
11: IOCLK/16
4
ADSHC
Sampling cycle number selection
0: Two conversion reference clock cycles
1: Four conversion reference clock cycles
5
ADST0
Conversion start trigger selection (LSB)
6
ADST1
Conversion start trigger selection (MSB)
00: Conversion start by software
01: External trigger (ADEN flag is set by input of falling edge to ADTRG
pin)
10: Timer trigger (ADEN flag is set by timer 2 underflow)
11: Setting prohibited
Summary of Contents for MN103001G/F01K
Page 1: ...MICROCOMPUTER MN1030 MN103001G F01K LSI User s Manual Pub No 23101 050E ...
Page 2: ......
Page 4: ......
Page 6: ......
Page 8: ......
Page 9: ...Table of Contents List of Figures and Tables 0 ...
Page 26: ...xviii ...
Page 27: ...1 0 1 General Specifications ...
Page 35: ...2 CPU 2 ...
Page 57: ...3 Extension Instruction Specifications 3 ...
Page 96: ...Extension Instruction Specifications 3 40 ...
Page 97: ...4 Memory Modes 3 4 ...
Page 102: ...Memory Modes 4 6 ...
Page 103: ...5 Operating Mode 5 ...
Page 107: ...6 Clock Generator 6 13 ...
Page 111: ...7 Internal Memory 7 ...
Page 114: ...Internal Memory 7 4 ...
Page 115: ...8 Bus Controller BC 8 ...
Page 189: ...9 Interrupt Controller 9 ...
Page 220: ...Interrupt Controller 9 32 ...
Page 221: ...10 8 bit Timers 9 10 ...
Page 254: ...8 bit Timers 10 34 ...
Page 255: ...11 16 bit Timers 11 ...
Page 292: ...16 bit Timers 11 38 ...
Page 293: ...12 Watchdog Timer 11 12 ...
Page 302: ...Watchdog Timer 12 10 ...
Page 303: ...13 Serial Interface 13 ...
Page 354: ...Serial Interface 13 52 ...
Page 355: ...14 A D Converter 14 ...
Page 367: ...15 I O Ports 15 ...
Page 431: ...16 Internal Flash Memory 16 ...
Page 439: ...17 17 Ordering Mask ROM ...
Page 442: ...Ordering Mask ROM 17 4 ...
Page 443: ...Appendix ...