參數(shù)資料
型號(hào): HD404618H
廠(chǎng)商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 84/89頁(yè)
文件大?。?/td> 358K
代理商: HD404618H
HD404618 Series
84
During Transmit Clock Input
Item
Symbol
Pin(s)
SCK
Min
Typ
Max
Test Condition Unit
Notes
Transmit clock
cycle time
t
Scyc
1
t
cyc
/t
subcyc
1, 3
Transmit clock
high width
t
SCKH
SCK
0.5
t
Scyc
1
Transmit clock
low width
t
SCKL
SCK
0.5
t
Scyc
1
Transmit clock
rise time
t
SCKr
SCK
200
ns
1
Transmit clock
fall time
t
SCKf
SCK
200
ns
1
Serial output
data delay time
t
DSO
SO
500
Load shown in
figure 54
ns
1
Serial input data
setup time
t
SSI
SI
300
ns
1
Serial input data
hold time
t
HSI
SI
300
ns
1
Transmit clock
completion
detect time
Notes: 1. See figure 53.
2. The transmit clock completion detect time is the high level period after eight transmit clock
pulses have been input. The serial interrupt request flag is not set if the next transmit clock is
input before the transmit clock completion detect time has passed.
3. The unit t
subcyc
applies when the MCU is in subactive mode.
t
subcyc
= 244.14
μ
s (32.768-kHz crystal oscillator)
t
SCKHD
SCK
1
t
cyc
/t
subcyc
1, 2, 3
TONEC
TONER
R = 100 k
R = 100 k
Figure 48 Tone Output Load Circuit
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