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參數(shù)資料
| 型號(hào)： | GMS82512K |
| 廠商： | Hynix Semiconductor Inc. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | 8位單晶片微控制器 |
| 文件頁(yè)數(shù)： | 38/110頁(yè) |
| 文件大?。?/td> | 1980K |
| 代理商： | GMS82512K |
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GMS81508B/16B/24B, GMS82512/16/24
MAY. 2001 Ver 2.0
35
R3 and R3DD register:
R3 is an 8-bit CMOS bidirection-
al I/O port (address 0C6
H
). Each I/O pin can independently
used as an input or an output through the R3DD register
(address 0C7
H
).
R4 and R4DD register:
R4 is an 8-bit CMOS bidirection-
al I/O port (address 0C8
H
). Each I/O pin can independently
used as an input or an output through the R4DD register
(address 0C9
H
).
In addition, Port R4 is multiplexed with various special
features. The control register PMR4 (address 0D0
H
) con-
trols the selection of alternate function. After reset, this
value is “0”, port may be used as normal I/O port.
To use alternate function such as external interrupt, exter-
nal counter input or timer clock out, write “1” in the corre-
sponding bit of PMR4.
R45~R47 are NOT served on GMS825xx.
Regardless of the direction register R4DD, PMR4 is select-
ed to use as alternate functions, port pin can be used as a
corresponding alternate features.
Port Pin
Alternate Function
R40
R41
R42
R43
R44
R45
R46
R47
INT0 (External Interrupt 0)
INT1 (External Interrupt 1)
INT2 (External Interrupt 2)
INT3 (External Interrupt 3)
EC0 (External count input to Timer/
Counter 0)
EC2 (External count input to Timer/
Counter 2)
T1O (Timer 1 Clock-out)
T3O (Timer 3 Clock-out)
R3 Data Register
R3
ADDRESS: 0C6
RESET VALUE: Undefined
R37 R36 R35 R34 R33 R32 R31 R30
Port Direction
0: Input
1: Output
R3 Direction Register
R3DD
ADDRESS: 0C7
RESET VALUE: 00
H
Input / Output data
R4 Port Mode Register
PMR4
ADDRESS: 0D0
RESET VALUE: 00
H
1
2
0: R40
1: INT0
0
0: R41
1: INT1
0: R42
1: INT2
0: R43
1: INT3
0: R44
1: EC0
0: R45
1: EC2
0: R46
1: T1O
0: R47
1: T3O
3
4
5
6
7
Edge Selection Register
IEDS
ADDRESS: 0F8H
RESET VALUE: 00H
0
1
2
3
4
5
6
7
INT0
INT1
INT2
INT3
External Interrupt Edge Select
00: Reserved
01: Falling (1-to-0 transition)
10: Rising (0-to-1 transition)
11: Both (Rising & Falling)
R4 Data Register
R4
ADDRESS: 0C8
RESET VALUE: Undefined
R47 R46 R45 R44 R43 R42 R41 R40
Port Direction
0: Input
1: Output
R4 Direction Register
R4DD
ADDRESS: 0C9
RESET VALUE: 00
H
Input / Output data
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PDF描述 |
|---|---|
| GMS82512Q | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516 | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516K | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516Q | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS81508BK | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GMS82512Q | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516K | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82516Q | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
| GMS82524 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
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