參數(shù)資料
型號: SC68C752B
廠商: NXP Semiconductors N.V.
英文描述: 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola mP interface
中文描述: 5伏,3.3伏和2.5伏兆5雙UART /秒(最大),64字節(jié)的FIFO和摩托羅拉手機接口
文件頁數(shù): 35/46頁
文件大?。?/td> 219K
代理商: SC68C752B
9397 750 14963
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 28 April 2005
35 of 46
Philips Semiconductors
SC68C752B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
11. Dynamic characteristics
[1]
RCLK is an internal signal derived from Divisor Latch LSB (DLL) and Divisor Latch MSB (DLM) divisor latches.
[2]
Applies to external clock; crystal oscillator max 24 MHz.
[3]
Maximum frequency =
Table 27:
T
amb
=
40
°
C to +85
°
C; tolerance of V
CC
=
±
10 %, unless specified otherwise.
Symbol
Parameter
Dynamic characteristics
Conditions
V
CC
= 2.5 V
Min
10
20
-
-
25
-
-
V
CC
= 3.3 V and 5 V
Min
10
20
-
-
25
-
-
Unit
Max
-
-
77
15
-
100
100
Max
-
-
26
15
-
33
24
t
d1
t
d2
t
d3
t
d4
t
d6
t
d7
t
d8
R/W to chip select
read cycle delay
delay from CS to data
data disable time
write cycle delay
delay from WRITE to output
delay to set interrupt from modem
input
delay to reset interrupt from READ
delay from stop to set interrupt
delay from READ to reset interrupt
delay from start to set interrupt
delay from WRITE to transmit start
delay from WRITE to reset interrupt
delay from stop to set RXRDY
delay from READ to reset RXRDY
delay from WRITE to set TXRDY
delay from start to reset TXRDY
R/W hold time from CS
data hold time
address hold time
clock cycle period
clock speed
RESET pulse width
address setup time
data setup time
CS strobe width
ns
ns
ns
ns
ns
ns
ns
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
t
d9
t
d10
t
d11
t
d12
t
d13
t
d14
t
d15
t
d16
t
d17
t
d18
t
h2
t
h3
t
h4
t
1w
, t
2w
f
XTAL
t
(RESET)
t
su1
t
su2
t
w1
25 pF load
-
-
-
-
100
-
-
-
-
24
ns
s
ns
ns
1T
RCLK
[1]
100
100
1T
RCLK
[1]
29
100
24T
RCLK
[1]
s
70
1T
RCLK
[1]
75
70
16T
RCLK
[1]
s
-
-
-
-
80
-
-
-
-
25 pF load
8T
RCLK
[1]
24T
RCLK
[1]
-
-
-
-
-
10
15
15
10
-
200
10
16
77
8T
RCLK
[1]
-
-
-
-
-
10
15
15
6
-
200
10
16
30
100
ns
s
ns
ns
1T
RCLK
[1]
100
100
16T
RCLK
[1]
-
-
-
-
48
-
-
-
-
ns
ns
ns
ns
MHz
ns
ns
ns
ns
[2] [3]
t
3w
-------
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