tmp89fh40 TOSHIBA Semiconductor CORPORATION, tmp89fh40 Datasheet - Page 216
tmp89fh40
Manufacturer Part Number
tmp89fh40
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89FH40.pdf
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14.4
Functions
RA005
T001CR<T01RUN>
TC00 pin input
Counter
Write to T00REG
Write to T01REG
T01+00REG
INTTC00 interrupt
request
T001CR<T01RUN>
TC00 pin input
Counter
Write to T00REG
Write to T01REG
Double buffer
T01+00REG
INTTC00 interrupt
request
(Example) Operate TC00 and TC01 in the 16-bit event counter mode and generate an interrupt each time the 384th falling
Figure 14-12 16-bit Event Counter Mode Timing Chart
edge is detected at the TC00 pin
Write m
Write m
LD
DI
SET
EI
LD
LD
LD
LD
Write k
Write k
km
km
km
Reflected by writing to T01REG
Reflected by writing to T01REG
0
0
Timer start
Timer start
1
1
(POFFCR0),0x10
(EIRH).4
(T00MOD),0xC4
(T00REG),0x80
(T01REG),0x10
(T001CR),0x06
2
2
When the double buffer is disabled (T01MOD<DBE1>=”0”)
When the double buffer is enabled (T01MOD<DBE1>=”1”)
3
3
Match detection
Match detection
4
4
Page 202
km-1
km-1
km
km
0
0
Counter
clear
Counter
clear
; Sets TC001EN to "1"
; Sets the interrupt master enable flag to "disable"
; Sets the INTTC00 interrupt enable register to "1"
; Sets the interrupt master enable flag to "enable"
; Selects the 16-bit event counter mode
; Sets the timer register
; Sets the timer register
; Starts TC00 and TC001 (16-bit mode)
1
1
2
2
Write s
Write s
3
3
Write r
Match detection
Write r
rs
rs
Reflected by writing to T01REG
Reflected by writing to T01REG
km-1
rs-1
km
rs
Counter
clear
Reflected by
an interrupt
rs
0
Counter
clear
0
1
1
2
Timer stop
Counter
clear
rs-1
0
TMP89FH40
rs
Counter
clear
0
1
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