參數(shù)資料
型號： SC28L198C1A
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Cable Ties; Color:Black; Pack Quantity:100
中文描述： 8 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC84
封裝： PLASTIC, MO-047AF, SOT-189-3, LCC-84
文件頁數(shù)： 50/56頁
文件大?。?/td> 345K
代理商： SC28L198C1A
Philips Semiconductors
Product specification
SC28L198
Octal UART for 3.3V and 5V supply voltage
1999 Jan 14
50
SCLK
IACKN
CEN
W_RN
ADDRESS
DATA
DACKN
INVALID
DON’T CARE
C1
C2
C3
C4
VALID
t
CS
t
RWS
t
AS
t
AH
t
DD
DAK
DLY
C4
DAK
DLY
CEN
t
DF
INVALID
INVALID
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.
f
X1
+5V
1K required for
TTL gate.
X1
X2
C1 = C2 = 24pF FOR C
L
= 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
2 – 4MHZ
12 – 32pF
PARALLEL RESONANT, FUNDAMENTAL MODE
FREQUENCY:
LOAD CAPACITANCE (C
L
):
TYPE OF OPERATION:
NC
C1
C2
MUX
To
remainder
of circuit
÷
2
38.4kHz CLOCK
BRG
TO I/O CHANGE-OF-STATE DETECTORS
22
STANDARD
RATES
X1 L/H
T/R f
X1
SD00198
Figure 7. X1/X2 Communication Crystal Clock
相關(guān)PDF資料
PDF描述
SC28C198A1A Octal UART for 3.3V and 5V supply voltage
SC28L202A1 Dual universal asynchronous receiver/transmitter DUART
SC28L202 Dual universal asynchronous receiver/transmitter DUART
SC28L202A1B Dual universal asynchronous receiver/transmitter DUART
SC28L202A1D Dual universal asynchronous receiver/transmitter DUART
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC28L201 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO
SC28L201A1DGG 功能描述:UART 接口集成電路 3-5V 1CH UART 3MBPS 256B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC28L201A1DGG,112 功能描述:UART 接口集成電路 3-5V 1CH UART 3MBPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC28L201A1DGG,118 功能描述:UART 接口集成電路 3-5V 1CH UART 3MBPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC28L201A1DGG-T 功能描述:UART 接口集成電路 3-5V 1CH UART 3MBPS 256B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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