參數(shù)資料
型號(hào): UPD784037YGC
廠商: NEC Corp.
英文描述: TRANS PREBIASED DUAL NPN SOT363
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 71/94頁
文件大?。?/td> 503K
代理商: UPD784037YGC
71
μ
PD784035Y, 784036Y, 784037Y, 784038Y
SERIAL OPERATION (T
A
= –40 to +85
°
C, V
DD
= +2.7 to 5.5 V, AV
SS
= V
SS
= 0 V)
(1) CSI
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
Serial clock cycle time
(SCK0)
t
CYSK0
Input
External clock
When SCK0 and SO0 are CMOS I/O
10/f
XX
+380
ns
Output
T
μ
s
Serial clock low-level
width (SCK0)
t
WSKL0
Input
External clock
When SCK0 and SO0 are CMOS I/O
5/f
XX
+150
ns
Output
0.5T–40
μ
s
ns
Serial clock high-level
width (SCK0)
t
WSKH0
Input
External clock
When SCK0 and SO0 are CMOS I/O
5/f
XX
+150
Output
0.5T–40
μ
s
SI0 setup time
(to SCK0
)
SI0 hold time
(from SCK0
)
t
SSSK0
40
ns
t
HSSK0
5/f
XX
+40
ns
SO0 output delay time
(from SCK0
)
t
DSBSK1
CMOS push-pull output
(3-wire serial I/O mode)
0
5/f
XX
+150
ns
t
DSBSK2
Open-drain output
(2-wire serial I/O mode), R
L
= 1 k
0
5/f
XX
+400
ns
Remarks 1.
The values in this table are those when C
L
is 100 pF.
2.
T: Serial clock cycle set by software. The minimum value is 16/f
XX
.
3.
f
XX
: Oscillation frequency
(2) I
2
C
Parameter
Symbol
Standard mode I
2
C bus
f
XX
= 4 to 32 MHz
High-speed mode I
2
C bus
f
XX
= 8 to 32 MHz
Unit
MIN.
MAX.
MIN.
MAX.
SCL clock frequency
f
SCL
0
100
0
400
kHz
Hold time of SCL clock
low-level state
t
LOW
4.7
1.3
μ
s
Hold time of SCL clock
high-level state
t
HIGH
4.0
0.6
μ
s
Data hold time
t
HD
; DAT
300
300
900
ns
Data setup time
t
SU
; DAT
250
100
ns
Rising time of SDA and
SCL signals
t
R
1000
20+0.1Cb
300
ns
Falling time of SDA and
SCL signals
t
F
300
20+0.1Cb
300
ns
Load capacitance of
each bus line
Cb
400
400
pF
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