Rainbow Electronics AT75C220 - Manual (Page 103)

AT75C
220
103
Figur
e
2
5
.
Capt
ur
e Mo
de
ACLK/2
ACLK/8
ACLK/32
ACLK/128
ACLK/1024
XC0
XC1
XC2
TCCLKS
CLKI
Q S
R
S
R
Q
CLKSTA CLKEN CLKDIS
BURST
TIOB
Register C
Capture
Register A
Capture
Register B Compare RC =
16-bit Counter
ABETRG
SWTRG
ETRGEDG CPCTRG
TC_IMR
Trig
LDRBS LDRAS ETRGS TC_SR LOVRS COVFS
SYNC
1
MTIOB
TIOA
MTIOA
LDRA
LDBSTOP
If RA is not loaded
or RB is loaded If RA is loaded
LDBDIS
CPCS
INT
Edge
Detector
Edge
Detector
LDRB
Edge
Detector
CLK
OVF
RESET
Timer/Counter Channel