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參數(shù)資料
| 型號： | UPD75116GF |
| 廠商： | NEC Corp. |
| 英文描述： | 4-Bit Single Chip-Microcomputer |
| 中文描述： | 4位單片微機(jī) |
| 文件頁數(shù)： | 17/56頁 |
| 文件大小： | 499K |
| 代理商： | UPD75116GF |
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17
μ
PD75112(A), 75116(A)
Figure 5-3 Basic Interval Timer Configuration
Remark
:
*
indicates instruction execution.
5.5 Timer/Event Counter
The
μ
PD75116(A) has a two-channel on-chip timer/
event counters.
Channels 0 and 1 of the timer/event counter have the
same configuration and functions. They differ only in
the selectable count pulse (CP) and the function of
supplying clocks to the serial interface.
The timer/event counter has the following functions:
Programmable interval timer operation
Output of square wave having any selected fre-
quency to PTOn pin
Event counter operation
Use of TIn pin as an external interrupt input pin
Output of TIn pin input divided by N to PTOn pin
(frequency divider operation)
Serial shift clock supply to the serial interface
circuit (channel 0 only)
Count status read function
BTM3
BTM2
BTM1
BTM0
BTM
From
the Clock
Generator
*
SET1
fxx/2
4
3
9
fxx/2
7
fxx/2
5
fxx/2
MPX
12
3
8
IRQBT
BT
Internal Bus
Basic Interval Timer
(8-Bit Frequency Divider)
Clear
Clear
Wait Release Signal
When the Standby Mode
is Released
BT Interrupt
Request Flag
Vector
Interrupt
Request
Signal
Set
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