EM78815
8-Bit Microcontroller
CMP1
P65/CMP1
P66/CMP2
MUX
MUX
MUX
PORT65
ADCS1
CMP2
+
-
MUX
2
CMPFLAG
PORT66
ADCS2
CMPS1
CMPS0
CMP3
P67/CMP3
PORT67
1
0
MUX
ADCS3
VDD
VR
CMPREF
MUX
V2_0
ref.
2.0V
CMPEN
CMPEN
1/2R
1111
VRSEL
R
1110
R
MUX
0000
1/2R
4
CMPB3 to CMPB0
Fig. 19 Comparator Circuit
CMPEN
CMP1 to CMP3
Reference
Voltage
Set-up time 10us
CPU Clock
CMPFLAG
Compare Start
Fig. 20 Comparator Timing
Compare End
38 •
Product Specification (V2.4) 02.17.2006
(This specification is subject to change without further notice)