參數(shù)資料
型號(hào)： μPD78056FY
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8 Bit Single Chip Microcontrollers
中文描述： 8位單片機(jī)微控制器
文件頁數(shù)： 20/76頁
文件大小： 583K
代理商： ΜPD78056FY
20
μ
PD78056FY, 78058FY
5.2
Clock Generator
Two types of generators, a main system clock generator and a subsystem clock generator, are avaibable.
The minimum instruction execution time can also be changed.
0.4
μ
s/0.8
μ
s/1.6
μ
s/3.2
μ
s/6.4
μ
s/12.8
μ
s (main system clock: at 5.0-MHz operation)
122
μ
s (subsystem clock: at 32.768-kHz operation)
Figure 5-1. Clock Generator Block Diagram
16-Bit Timer/Event Counter
8-Bit Timer/Event Counter
Watch Timer
Watchdog Timer
External event counter
2 channels
Operation mode
Timer output
PWM output
Square wave output
1 output
1 output
2 input
Pulse width measurement
2 outputs
Interrupt request
2
1
1
2
Function
1 channel
1 channel
2 channels
1 channel
Interval timer
1 channel
1 output
2 outputs
One-shot pulse output
1 output
Test input
1 input
5.3
Timer/Event Counter
5 timer/event counter channels are incorporated.
16-bit timer/event counter
8-bit timer/event counter
Watch timer
Watchdog timer
: 1 channel
: 2 channels
: 1 channel
: 1 channel
Table 5-2. Operation of Timer/Event Counter
XT1/P07
XT2
X1
X2
f
XT
f
XX
Subsystem
Clock
Oscillator
Watch Timer, Clock
Output Function
Prescaler
Main System
Clock
Oscillator
Clock to Peripheral
Hardware
CPU Clock
(f
CPU
)
Standby
Control
Circuit
Wait Control
Circuit
To INTP0
Sampling Clock
2
f
XX
2
2
f
XX
2
3
f
XX
2
4
f
XX
f
XT
2
Prescaler
Selector
Selector
f
X
2
f
X
STOP
Divider
2
1
相關(guān)PDF資料
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