R01UH0823EJ0100 Rev.1.00 Page 1559 of 1823
Jul 31, 2019
RX23W Group 44. 12-Bit A/D Converter (S12ADE)
GBRSCN bit. The ADCSR.ADST bit must be 0 when the GBRP bit is to be set.
The setting of the GBRP bit is enabled when the PGS bit is 1.
44.2.18 A/D Compare Function Control Register (ADCMPCR)
ADCMPCR sets the compare window A and window B functions.
CMPAB[1:0] Bits (Window A/B Composite Condition Setting)
These bits are valid when both window A and window B are enabled (CMPAE = 1 and CMPBE = 1) in single scan mode.
These bits are used to select compare function match/mismatch event output conditions for the ELC or monitoring
conditions of ADWINMON.MONCOMB. The CMPAB[1:0] bits should be set while the ADCSR.ADST bit is 0.
CMPBE Bit (Compare Window B Operation Enable)
This bit enables or disables the compare window B operation. The CMPBE bit should be set while the ADCSR.ADST bit
is 0.
Set this bit to 0 before setting the following registers.
Address(es): S12AD.ADCMPCR 0008 9090h
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
—
WCMP
E
——CMPAE—CMPBE———————CMPAB[1:0]
Value after reset:
0000000000000000
Bit Symbol Bit Name Description R/W
b1, b0 CMPAB[1:0] Window A/B Composite
Condition Setting
b1 b0
0 0: S12ADWMELC is output when window A comparison
conditions are met OR window B comparison conditions are
met. S12ADWUMELC is output in other cases.
0 1: S12ADWMELC is output when window A comparison
conditions are met EXOR window B comparison conditions are
met. S12ADWUMELC is output in other cases.
1 0: S12ADWMELC is output when window A comparison
conditions are met AND window B comparison conditions are
met. S12ADWUMELC is output in other cases.
1 1: Setting prohibited.
R/W
b8 to b2 — Reserved These bits are read as 0. The write value should be 0. R/W
b9 CMPBE Compare Window B
Operation Enable
0: Compare window B operation is disabled.
S12ADWMELC and S12ADWUMELC outputs are disabled.
1: Compare window B operation is enabled.
R/W
b10 — Reserved This bit is read as 0. The write value should be 0. R/W
b11 CMPAE Compare Window A
Operation Enable
0: Compare window A operation is disabled.
S12ADWMELC and S12ADWUMELC outputs are disabled.
1: Compare window A operation is enabled.
R/W
b13, 12 — Reserved These bits are read as 0. The write value should be 0. R/W
b14 WCMPE Window Function Setting 0: Window function is disabled.
Window A and window B operate as a comparator to compare the
single value on the lower side with the A/D conversion result.
1: Window function is enabled.
Window A and window B operate as a comparator to compare the
two values on the upper and lower sides with the A/D conversion
result.
R/W
b15 — Reserved This bit is read as 0. The write value should be 0. R/W
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