參數(shù)資料
型號: MB2146-303A-E
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16.25 MHz, RISC MICROCONTROLLER, PBGA224
封裝: PLASTIC, BGA-224
文件頁數(shù): 53/72頁
文件大?。?/td> 1758K
代理商: MB2146-303A-E
MB95100AM Series
DS07-12614-6E
57
(Continued)
(Vcc
= 5.0 V ± 10%, AVss = Vss = 0.0 V, TA = 40 °C to + 85 °C)
*1 : R, C : Pull-up resistor and load capacitor of the SCL and SDA lines.
*2 :
Refer to “ (2) Source Clock/Machine Clock” for tMCLK.
m is CS4 bit and CS3 bit (bit 4 and bit 3) of clock control register (ICCR0) .
n is CS2 bit to CS0 bit (bit 2 to bit 0) of clock control register (ICCR0) .
Actual timing of I2C is determined by m and n values set by the machine clock (tMCLK) and CS4 to CS0 of
ICCR0 register.
Standard-mode :
m and n can be set at the range : 0.9 MHz < tMCLK (machine clock) < 10 MHz.
Setting of m and n limits the machine clock that can be used below.
(m, n)
= (1, 8)
: 0.9 MHz < tMCLK
≤ 1 MHz
(m, n)
= (1, 22) , (5, 4) , (6, 4) , (7, 4) , (8, 4) : 0.9 MHz < tMCLK ≤ 2 MHz
(m, n)
= (1, 38) , (5, 8) , (6, 8) , (7, 8) , (8, 8) : 0.9 MHz < tMCLK ≤ 4 MHz
(m, n)
= (1, 98)
: 0.9 MHz < tMCLK
≤ 10 MHz
Fast-mode :
m and n can be set at the range : 3.3 MHz < tMCLK (machine clock) < 10 MHz.
Setting of m and n limits the machine clock that can be used below.
(m, n)
= (1, 8)
: 3.3 MHz < tMCLK
≤ 4 MHz
(m, n)
= (1, 22) , (5, 4) : 3.3 MHz < tMCLK ≤ 8 MHz
(m, n)
= (6, 4)
: 3.3 MHz < tMCLK
≤ 10 MHz
Parameter
Sym-
bol
Pin
name
Condition
Value*2
Unit
Remarks
Min
Max
Data hold time
tHD;DAT
SCL0
SDA0
R
= 1.7 kΩ,
C
= 50 pF*1
0
ns
At reception
Data setup time
tSU;DAT
SCL0
SDA0
tMCLK
20
ns
At reception
SDA
↓→SCL↑
(at wake-up function)
tWAKEUP
SCL0
SDA0
Oscillation stabilization
wait time
+ 2 tMCLK 20
ns
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