参数资料
型号: SC28L198A1BE,551
厂商: NXP Semiconductors
文件页数: 46/57页
文件大小: 0K
描述: IC UART OCTAL SOT407-1
标准包装: 90
特点: 故障启动位检测
通道数: 8
FIFO's: 16 字节
电源电压: 3.3V,5V
带自动流量控制功能:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
其它名称: 935262731551
SC28L198A1BE-S
SC28L198A1BE-S-ND
Philips Semiconductors
Product data sheet
SC28L198
Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
50
SCLK
IACKN
CEN
W_RN
ADDRESS
DATA
DACKN
INVALID
DON’T CARE
C1
C2
C3
C4
VALID
tCS
tRWS
tAS
tAH
tDD
DAKDLY
C4
DAKDLY
CEN
HIGH
tDF
INVALID
DON’T CARE
NOTE:
CEN must not be active during an IACKN cycle. If CEN is active, IACKN will be ignored
and a normal read or write will be executed according to W_RN. In the synchronous
mode, extended IACKN signal will start another IACKN. (This may not be desired, but
is allowed.)
SD00525
Figure 6. Basic IACKN Cycle, ASYNC/SYNC
C1 and C2 should be chosen according to the
crystal manufacturer’s specification.
C1 and C2 values will include any parasitic
capacitance of the wiring.
fX1
+5V
1K required for
TTL gate.
X1
X2
C1 = C2 = 24pF FOR CL = 20PF
X1
X2
3.6864MHz
3pF
4pF
50 KOHMs
TO
150 KOHMs
28C198
NOTES:
C1 and C2 should be based on manufacturer’s specification.
X1 and X2 parasitic capacitance IS 1-2pF AND 3-5pF, respectively.
GAIN:
at 4MHz 8 to 14db; at 8MHz 2 to 6db
PHASE: at 4MHz 272
° to 276°; at 8MHz 272° to 276°
The above figures for 5V operation. Operation at 3V is to be determined.
TYPICAL CRYSTAL SPECIFICATION
FREQUENCY:
2 – 4MHZ
LOAD CAPACITANCE (CL):
12 – 32pF
TYPE OF OPERATION:
PARALLEL RESONANT, FUNDAMENTAL MODE
NC
C1
C2
MUX
To
remainder
of circuit
÷ 2
38.4kHz CLOCK
BRG
TO I/O CHANGE-OF-STATE DETECTORS
22
STANDARD
BAUD
RATES
X1 L/H
T/R fX1
SD00198
Figure 7. X1/X2 Communication Crystal Clock
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SC28L198C1A 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Octal UART for 3.3V and 5V supply voltage
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SC28L201A1DGG 功能描述:UART 接口集成电路 3-5V 1CH UART 3MBPS 256B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SC28L201A1DGG,112 功能描述:UART 接口集成电路 3-5V 1CH UART 3MBPS RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel