Section 23
A/D Converter
Rev. 1.00 Mar. 12, 2008 Page 901 of 1178
REJ09B0403-0100
23.3.3
A/D Control Register (ADCR)
The ADCR sets the operation mode of A/D converter and the conversion time.
Bit Bit
Name
Initial
Value
R/W Description
7
6
0
TRGS1
TRGS0
EXTRGS
0
0
0
R/W
R/W
R/W
Timer Trigger Select 1 and 0, Extended Trigger Select
Enable starting of A/D conversion by a trigger signal.
00 0: Disables starting by trigger signals.
10 0: Enables starting by a trigger from TMR_0.
10 1: Enables starting by the
ADTRG
pin input.
Other than above: Setling prohibited
5
4
SCANE
SCANS
0
0
R/W
R/W
Scan Mode
Select the operation mode of A/D conversion
0x: Single mode
10: Scan mode
(consecutive A/D conversion of channels 1 to 4)
11: Scan mode
(consecutive A/D conversion of channels 1 to 8)
3
2
CKS1
CKS0
0
0
R/W
R/W
Clock Select 1 and 0
Set the A/D conversion time. Setting should be made
while the conversion is stopped (ADST = 0).
00: Setting prohibited
01: Conversion time = 80 states (max) (20 MHz or less)
10: Conversion time = 160 states (max)
11: Conversion time = 320 states (max)
1
ADSTCLR
0
R/W
A/D Start Clear
Sets automatic clearing of the ADST bit in scan mode.
0: Disables automatic clearing of ADST in scan mode.
1: ADST is automatically cleared when A/D conversion for
all the selected channels has been completed in scan
mode.
[Legend]
x: Don't care
Summary of Contents for H8S Family
Page 2: ...Rev 1 00 Mar 12 2008 Page ii of xIviii...
Page 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
Page 28: ...Rev 1 00 Mar 12 2008 Page xxviii of xIviii...
Page 48: ...Rev 1 00 Mar 12 2008 Page xlviii of xIviii...
Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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Page 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...