TMP86C909XB Toshiba, TMP86C909XB Datasheet - Page 86

• Manufacturer Part Number: TMP86C909XB
• Description: EMULATION CHIP FOR TMP86F SDIP
• Manufacturer: Toshiba

Specifications of TMP86C909XB

• Accessory Type: Adapter
• For Use With/related Products: TMP86F SDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TC1 pin input
Internal clock
Counter
TC1DRA
INTTC1
interrput request
TC1 pin input
Internal clock
Counter
TC1DRA
INTTC1
interrput request
8.3.4 Window Mode
of the input pulse to the TC1 pin (window pulse) and the internal source clock. Either the positive logic (count
up during high-going pulse) or negative logic (count up during low-going pulse) can be selected.
and the up-counter is cleared.
grammed with TC1CR<TC1CK>.
In the window mode, the up-counter counts up at the rising edge of the pulse that is logical ANDed product
When a match between the up-counter and the TC1DRA value is detected, an INTTC1 interrupt is generated
Define the window pulse to the frequency which is sufficiently lower than the internal source clock pro-
?
?
Timer start
Timer start
7
9
0
Figure 8-5 Window Mode Timing Chart
Count start
Count start
1
0
2
1
(a)
(b)
3
2
Positive logic
Page 75
Negative logic
4
3
Count stop
4
(TC1S = 10)
(TC1S = 11)
5
5
Count stop
Match detect
Count start
6
6
7
Count start
0
Counter clear
Match detect
1
7
8
2
TMP86F409NG
3
9 0
1
Counter
clear