參數(shù)資料
型號(hào): μPD789415
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 42/126頁
文件大?。?/td> 590K
代理商: ΜPD789415
42
μ
PD789415, 789416, 789417
Figure 5-15. 8-Bit Timer Counter 2 (TM2) Block Diagram
Internal bus
InternInternal bus
8-bit compare register
(CR20)
Match
INTTM2
f
X
/2
3
f
X
/2
7
f
XT
Clear
8-bit timer register
(TM2)
TO2/CMPTOUT0/
P23
2
TCE2 TCL21 TCL20 TOE2
8-bit timer mode control register 2
F/F
P23 output
latch
PM23
Comparator
Note
S
S
Selector
Note
See
Section 5.8
for details of the comparator.
(1) 8-bit compare register n (CRn0)
A value specified in CRn0 is compared with the count in 8-bit timer register n (TMn). If they match, an interrupt
request (INTTMn) is issued.
CRn0 is set using an 8-bit memory manipulation instruction. Any value from 00H to FFH can be set.
A RESET input makes CRn0 undefined.
Remark
n = 0 to 2
(2) 8-bit timer register n (TMn)
TMn is used to count the number of pulses.
Its contents are read using an 8-bit memory manipulation instruction.
A RESET input clears TMn to 00H.
Remark
n = 0 to 2
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