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參數(shù)資料
| 型號： | MTV230M64 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8051 Embedded Micro Controller with Flash OSD and ISP |
| 中文描述： | 8051嵌入式閃存OSD和ISP的微控制器 |
| 文件頁數(shù)： | 6/31頁 |
| 文件大?。?/td> | 404K |
| 代理商： | MTV230M64 |
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MTV230M64
Page 6 of 31
3. Chip Configuration
The Chip Configuration registers define the chip pins function, as well as the functional blocks' connection,
configuration and frequency.
Reg name
PADMOD
PADMOD
PADMOD
PADMOD
OPTION
addr
F2Bh (w)
F2Ch (w)
F2Dh (w)
F2Eh (w)
F2Fh (w)
bit7
HIICE
DA3E
P47oe
P57oe
PWMF
bit6
IIICE
DA2E
P46oe
P56oe
DIV253
bit5
HVE
DA1E
P45oe
P55oe
SlvAbs1 SlvAbs0
Bit4
HclpE
DA0E
P44oe
P54oe
bit3
bit2
bit1
FclkE
AD1E
P41oe
P51oe
MIICF1
bit0
P62E
AD0E
P40oe
P50oe
MIICF0
AD3E
P43oe
P53oe
ENSCL
AD2E
P42oe
P52oe
Msel
PADMOD
(w) : Pad mode control registers. (All are "0" in Chip Reset)
HIICE
= 1
→
pin “P3.0/Rxd/HSCL” is HSCL;
= 0
→
pin “P3.0/Rxd/HSCL” is P3.0/Rxd;
IIICE
= 1
→
pin “P6.1/ISDA” is ISDA;
= 0
→
pin “P6.1/ISDA” is P6.1;
HVE
= 1
→
pin “P4.7/VBLANK” is VBLANK;
= 0
→
pin “P4.7/VBLANK” is P4.7;
HclpE
= 1
→
pin “P4.5/HCLAMP” is HCLAMP
= 0
→
pin “P4.5/HCLAMP” is P4.5
FclkE
= 1
→
CPU running at double rate
= 0
→
CPU running at normal rate
P62E
= 1
→
pin “INT/P6.2” is P6.2
= 0
→
pin “INT/P6.2” is INT
DA3E
= 1
→
pin “P5.7/DA3” is DA3
= 0
→
pin “P5.7/DA3” is P5.7
DA2E
= 1
→
pin “P5.6/DA2” is DA2
= 0
→
pin “P5.6/DA2” is P5.6
DA1E
= 1
→
pin “P5.5/DA1” is DA1
= 0
→
pin “P5.5/DA1” is P5.5
DA0E
= 1
→
pin “P5.4/DA0” is DA0
= 0
→
pin “P5.4/DA0” is P5.4
AD3E
= 1
→
pin “P5.3/AD3” is AD3
= 0
→
pin “P5.3/AD3” is P5.3
AD2E
= 1
→
pin “P5.2/AD2” is AD2
= 0
→
pin “P5.2/AD2” is P5.2
AD1E
= 1
→
pin “P5.1/AD1” is AD1
= 0
→
pin “P5.1/AD1” is P5.1
AD0E
= 1
→
pin “P5.0/AD0” is AD0
= 0
→
pin “P5.0/AD0” is P5.0
P47oe = 1
→
P4.7 is output pin
= 0
→
P4.7 is input pin
P46oe = 1
→
P4.6 is output pin
= 0
→
P4.6 is input pin
P45oe = 1
→
P4.5 is output pin
= 0
→
P4.5 is input pin
P44oe = 1
→
P4.4 is output pin
= 0
→
P4.4 is input pin
P43oe = 1
→
P4.3 is output pin
= 0
→
P4.3 is input pin
P42oe = 1
→
P4.2 is output pin
= 0
→
P4.2 is input pin
pin “P3.1/Txd/HSDA” is HSDA
pin “P3.1/Txd/HSDA” is P3.1/Txd
pin “P6.0/ISCL” is ISCL
pin “P6.0/ISCL” is P6.0
pin “P4.6/HBLANK” is HBLANK
pin “P4.6/HBLANK” is P4.6
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