參數(shù)資料
型號(hào): ST2202
廠商: Electronic Theatre Controls, Inc.
英文描述: 8 BIT Integrated Microcontroller with 256K Bytes ROM
中文描述: 8位微控制器集成256K字節(jié)ROM的
文件頁(yè)數(shù): 21/65頁(yè)
文件大?。?/td> 1946K
代理商: ST2202
Sitronix
ST2202
Ver 2.0a
21/65
2003-May-05
OSCK
SYSCK
OSC
OSTP
(SYS[6])
OUT
XSTP
(SYS[5])
OUT
SEL
WSKP
(SYS[3])
CLK32
MUX2
IN0
IN1
XBAK
(SYS[4])
Heavy
Normal
XSEL
(SYS[7])
Warm-up control
256 cycles
16 cycles
EN
EN
LCDCK
LCDCK
Divider
LCKR[4:0]
IN
OUT
OSCK,OSCK/2/4…/30
OSCK, CLK32
XSEL
(SYS[7])
INA
OUT
INB
PSGCK
Divider
PSGC[6:4]
PSGCK
OSCKx2,OSCK/2/4/8/16
CLK32
BGR
÷
N
Integer
Divider
BGRCK
IN
REF
Target
BDIV[7:0]
BSR[7:0] / BCTR[2:0]
IN
OUT
OUT
CLK32xK
SPICK
SPICK
Divider
SCKR[6:4]
IN
OUT
OSCK/2/4/8…/256
FIGURE 11-1 Clock Generator Diagram
TABLE 11-2 System Control Register (SYS)
Bit 6
Bit 5
Bit 4
OSTP
XSTP
XBAK
OSTP
XSTP
XBAK
Address Name
R/W
R
W
Bit 7
XSEL
XSEL
Bit 3
WSKP
WSKP
Bit 2
WAIT
WAIT
Bit 1
IRREN
IRREN
Bit 0
HIGH
LVDEN
Default
0000 0001
0000 0000
$030
SYS
Bit 7:
XSEL :
Write: Select source of system clock (SYSCK) / Read: report of clock source being used
0
= OSC
1 = OSCX
Bit 6:
OSTP :
OSC stop control bit
0
= Enable OSC
1 = Disable OSC
Bit 5:
XSTP :
OSCX stop control bit
0
= Enable OSCX
1 = Disable OSCX
Bit 4:
XBAK :
OSCX driver heavy load bit
0
= OSCX heavy load
1 = OSCX normal load
Bit 3:
WSKP :
System warm-up cycles selection bit
0
= 256 warm-up cycles
1 = 16 warm-up cycles
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