參數(shù)資料
型號(hào)： UPD780023AGK-xxx-9ET
廠商： NEC Corp.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No
中文描述： 8位單晶片微控制器
文件頁(yè)數(shù)： 64/96頁(yè)
文件大?。?/td> 661K
代理商： UPD780023AGK-XXX-9ET
67
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
(3) Serial Interface (TA = –40 to +85
°C, VDD = 1.8 to 5.5 V)
(a) 3-wire serial I/O mode (SCK3n... Internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK3n
tKCY1
4.0 V
≤ VDD ≤ 5.5 V
954
ns
cycle time
2.7 V
≤ VDD < 4.0 V
1600
ns
1.8 V
≤ VDD < 2.7 V
3200
ns
SCK3n high-/
tKH1, tKL1
4.0 V
≤ VDD ≤ 5.5 V
tKCY1/2 – 50
ns
low-level width
1.8 V
≤ VDD < 4.0 V
tKCY1/2 – 100
ns
SI3n setup time
tSIK1
4.0 V
≤ VDD ≤ 5.5 V
100
ns
(to SCK3n
↑)
2.7 V
≤ VDD < 4.0 V
150
ns
1.8 V
≤ VDD < 2.7 V
300
ns
SI3n hold time
tKSI1
400
ns
(from SCK3n
↑)
Delay time from
tKSO1
C = 100 pF
Note
300
ns
SCK3n
↓ to SO3n
output
Note C is the load capacitance of the SCK3n and SO3n output lines.
(b) 3-wire serial I/O mode (SCK3n... External clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK3n
4.0 V
≤ VDD ≤ 5.5 V
800
ns
cycle time
2.7 V
≤ VDD < 4.0 V
1600
ns
1.8 V
≤ VDD < 2.7 V
3200
ns
SCK3n high-/
tKH2, tKL2
4.0 V
≤ VDD ≤ 5.5 V
400
ns
low-level width
2.7 V
≤ VDD < 4.0 V
800
ns
1.8 V
≤ VDD < 2.7 V
1600
ns
SI3n setup time
tSIK2
100
ns
(to SCK3n
↑)
SI3n hold time
tKSI2
400
ns
(from SCK3n
↑)
Delay time from
tKSO2
C = 100 pF
Note
300
ns
SCK3n
↓ to SO3n
output
Note C is the load capacitance of the SO3n output line.
Remark
Conventional products of
PD780021A, 780022A, 780023A, 780024A: n = 0 or 1
PD780021AY, 780022AY, 780023AY, 780024AY: n = 0
tKCY2
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