Divide by 1 logic XTAL1 XTAL2 Divide by 4 logic Clock Oscillat" />
參數(shù)資料
型號(hào): ST16C580IQ48-F
廠商: Exar Corporation
文件頁數(shù): 4/39頁
文件大?。?/td> 0K
描述: IC UART FIFO 16B 48TQFP
標(biāo)準(zhǔn)包裝: 250
特點(diǎn): *
通道數(shù): 1,UART
FIFO's: 16 字節(jié)
電源電壓: 2.97 V ~ 5.5 V
帶自動(dòng)流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
ST16C580
12
Rev. 1.22
Divide
by
1 logic
XTAL1
XTAL2
Divide
by
4 logic
Clock
Oscillator
Logic
Baudrate
Generator
Logic
-BAUDOUT
MCR
Bit-7=0
MCR
Bit-7=1
Crystal oscillator or External clock 1X / 4X selection
DLM (MSB) and DLL (LSB) provides a user capability for
selecting the desired final baud rate. The example in
Table 4 below, shows the two selectable baud rate
tables available when using a 7.3728 MHz crystal.
Table 4, BAUD RATE GENERATOR PROGRAMMING TABLE (7.3728 MHz CLOCK):
Output
User
DLM
DLL
Baud Rate
16 x Clock
Program
MCR
Divisor
Value
BIT-7=1
Bit-7=0
(Decimal)
(HEX)
50
200
2304
900
09
00
75
300
1536
600
06
00
150
600
768
300
03
00
300
1200
384
180
01
80
600
2400
192
C0
00
C0
1200
4800
96
60
00
60
2400
9600
48
30
00
30
4800
19.2K
24
18
00
18
7200
28.8K
16
10
00
10
9600
38.4k
12
0C
00
0C
19.2k
76.8k
6
06
00
06
38.4k
153.6k
3
03
00
03
57.6k
230.4k
2
02
00
02
115.2k
460.8k
1
01
00
01
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