IBM EM78P259N/260N Network Card User Manual


 
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 IROUTE/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