IBM EM78P259N/260N 6.10 Comparator

EM78P259N/260N
8-Bit Microprocessor with OTP ROM
58 • Product Specification (V1.2) 05.18.2007
(This specification is subject to change without further notice)
6.9.3 Programming the Related Registers
When defining TCCX, refer to its related registers operation as shown in the tables
below.
TCCX Related Control Registers:
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0x08 IOC80 0 0 CPOUT/0 COS1/0 COS0/0 TCCAEN/0 TCCATS/0 TCCATE/0
0x09 IOC90 TCCBHE/0 TCCBEN/0 TCCBTS/0 TCCBTE/0 0 TCCCEN/0 TCCCTS/0 TCCCTE/0
0x0A IR CR
/IOCA0 TCCCSE/0 TCCCS2/0 TCCCS1/0 TCCCS0/0 IRE/0 HF/0 LGP/0 I ROUTE/0
0x0F IMR
/IOCF0 LPWTE/0 HPWTE/0 TCCCIE/0 TCCBIE/0 TCCAIE/0 EXIE/0 ICIE/0 TCIE/0
Related TCCX Status/Data Registers:
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0x0F ISR/RF LPWTF/0 HPWTF/0 TCCCIF/0 TCCBIF/0 TCCAIF/0 EXIF/0 ICIF/0 TCIF/0
0x05 TCCA
/IOC51 TCCA7/0 TCCA6/0 TCCA5/0 TCCA4/0 TCCA3/0 TCCA2/0 TCCA1/0 TCCA0/0
0x06 TCCB
/IOC61 TCCB7/0 TCCB6/0 TCCB5/0 TCCB4/0 TCCB3/0 TCCB2/0 TCCB1/0 TCCB0/0
0x07 TCCBH
/IOC71 TCCBH7/0 TCCBH6/0 TCCBH5/0 TCCBH4/0 TCCBH3/0 TCCBH2/0 TCCBH1/0 TCCBH0/0
0x08 TCCC
/IOC81 TCCC7/0 TCCC6/0 TCCC5/0 TCCC4/0 TCCC3/0 TCCC2/0 TCCC1/0 TCCC0/0
6.10 Comparator
EM78P259N/260N has
one comparator which
has two analog inputs and
one output. The
comparator can be
employed to wake-up
from the sleep mode.
Figure below shows the
circuit of the comparator.
Cin--
+CMP
Cin+ CO
Cin+
Cin-
Output
30mV
Fig. 6-14 Comparator Operating Mode