參數(shù)資料
型號(hào): SC26C562C1A
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: CMOS dual universal serial communications controller CDUSCC
中文描述: 2 CHANNEL(S), 10M bps, MULTI PROTOCOL CONTROLLER, PQCC52
封裝: PLASTIC, MS-018, SOT-238-2, LCC-52
文件頁數(shù): 12/22頁
文件大?。?/td> 151K
代理商: SC26C562C1A
Philips Semiconductors
Product specification
SC26C562
CMOS dual universal serial communications controller
(CDUSCC)
1998 Sep 04
12
AC ELECTRICAL CHARACTERISTICS
(Continued)
CSN (CEN)
t
RDLGII
RDN
GPI1N
AND/OR
GPI2N
t
GIVRDL
SD00242
Figure 8. Input Port Timing
LIMITS
SYMBOL
PARAMETER
INDUSTRIAL SC26C562
Min
COMMERCIAL SC26C562
Min
UNIT
Max
Max
t
GIVRDL
t
RDLGII
GPI input valid to RDN low
RDN low to GPI input invalid
20
40
20
40
ns
ns
t
CLHCLL
t
CCHCCL
t
RCHRCL
t
TCHTCL
X1/CLK
CTCLK
RxC
TxC
t
CLLCLH
t
CCLCCH
t
RCLRCH
t
TCLTCH
FRODRIVING
SOURCE
V
CC
TTL
X
1
X
2
X
2
OPEN WHEN
X
1
IS DRIVEN
NOTE: C
L1
AND C
L2
VALUES DEPEND ON
CRYSTAL
MANUFACTURER’S REQUIREMENTS, AND SHOULD
INCLUDE C
P1
AND C
P2
TO
CDUSCC
C
P1
C
P2
SC26C562
÷
2
50-150k
C
P1
= 7-12pF
C
P2
= 12-17pF
C
L1
C
L2
X
1
X
2
*Pull-up resistor is not required when using CMOS levels
*
470
SD00243
Figure 9. Clock Timing
LIMITS
SYMBOL
PARAMETER
INDUSTRIAL SC26C562
Min
Typ
25
25
50
50
55
55
55
55
0
0
0
0
COMMERCIAL SC26C562
Min
Typ
25
25
45
45
50
50
50
50
0
0
0
0
UNIT
Max
Max
t
CLHCLL
t
CLLCLH
t
CCHCCL
t
CCLCCH
t
RCHRCL
t
RCLRCH
t
TCHTCL
t
TCLTCH
f
CL
f
CC
f
RC
f
TC
f
RTC
X1/CLK high to low time
X1/CLK low to high time
C/T CLK high to low time
C/T CLK low to high time
RxC high to low time
RxC low to high time
TxC high to low time
TxC low to high time
X1/CLK frequency
11
C/T CLK frequency
RxC frequency (16X or 1X @ 50% duty cycle)
TxC frequency (16X or 1X @ 50% duty cycle)
Tx/Rx frequency for FM/Manchester encoding
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
MHz
MHz
16.0
8
8
8
4
16.0
10
10
10
5
14.7456
14.7456
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