參數(shù)資料
型號(hào): UPD75117H
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 22/66頁
文件大?。?/td> 472K
代理商: UPD75117H
2
μ
P
Fig. 5-4 Timer/Event Counter Block Diagram (n = 0, 1)
*
SET1 : Instruction execution.
From Clock
Generator
Input Buffer
MPX
TMn6
SET1
*1
TMn
Timer Operation Start
CP
Count Register (8)
Clear
8
Comparator (8)
8
8
Modulo Register (8)
8
8
Internal Bus
TMODn
Match
TOUT
F/F
TOEn
TO
Enable
Flag
P2n
Output
Latch
PORT2.n
Bit 2 of PGMB
Port 2
Input/
Output
Mode
To Serial
nterface
(Channel 0 only)
P2n/PTOn
Output
Buffer
INTTn
IRQTn Set
Signal
IRQTn
Clear Signal
Tn
TIn
TIn
TMn7
TMn5 TMn4 TMn3 TMn2 TMn1 TMn0
TOn
TO
Selector
Edge
Detector
TMn0
RESET
TMn1
TOFn
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