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| 型號(hào)： | ELANSC300 |
| 廠商： | Advanced Micro Devices, Inc. |
| 元件分類： | 32位微控制器 |
| 英文描述： | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| 中文描述： | 高度集成，低功耗，32位微控制器 |
| 文件頁(yè)數(shù)： | 71/139頁(yè) |
| 文件大?。?/td> | 1388K |
| 代理商： | ELANSC300 |
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élanSC300 Microcontroller Data Sheet
71
P R E L I M I N A R Y
ALTERNATE PIN FUNCTIONS SELECTED VIA FIRMWARE
The following tables contain brief descriptions of the alternate pin functions/names and the pin names of the default
function that the alternate function replaces. These alternate functions are selected via system firmware only.
SRAM Interface
This alternate function is configured by setting bit 0 of the Miscellaneous 6 Register, Index 70h.
Dual-Scan LCD Data Bus
This alternate function is configured via selecting a dual-scan LCD Panel mode in the CGA index address space at
Index 18h.
Notes:
In the dual-scan LCD configuration, IOCS16 and MCS16 are internally forced inactive.
Unidirectional/Bidirectional Parallel Port
This alternate function is configured via selecting either the Normal Bidirectional mode configuration or the EPP
mode configuration for the parallel port in the Function Enable 1 Register, Index B0h.
Table 30.
SRAM Interface
SRAM Pin Name
Pin Type
SRAM Interface Pin
Description/Notes
Default Pin
Name/Function
CAS0L
CAS0H
CAS1L
CAS1H
Pin No.
[SRCS0]
[SRCS1]
[SRCS2]
[SRCS3]
O
SRAM Bank 0 Chip Select. Low Byte
SRAM Bank 0 Chip Select. High Byte
SRAM Bank 1 Chip Select. Low Byte
SRAM Bank 1 Chip Select. High Byte
6
O
7
O
4
O
5
Table 31.
Dual-Scan LCD Data Bus
Dual-Scan Pin Name
Pin Type
Dual-Scan LCD Data-Bus Pin
Description/Notes
Dual screen data bit
Dual screen data bit
Dual screen data bit
Dual screen data bit
Default Pin
Name/Function
IOCS16
MCS16
IRQ14
SBHE
Pin No.
[LCDDL0]
[LCDDL1]
[LCDDL2]
[LCDDL3]
O
196
O
197
O
198
O
143
Table 32.
Bidirectional Parallel Port Pin Description
Bidirectional Pin
Name
[PPDCS]
Pin Type
Bidirectional Parallel Port Pin
Description/Notes
Parallel Port data register address decode
Default Pin
Name/Function
PPDWE
Pin No.
O
90
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ELANSC300-25KC | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-25KI | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-25VC | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-25VI | Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-33VI | Highly Integrated, Low-Power, 32-Bit Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ELANSC300-25KC | 制造商:Advanced Micro Devices 功能描述:32bit MCU, CISC, ROMLESS, Elan Family |
| ELANSC300-25KI | 制造商:Advanced Micro Devices 功能描述:32bit MCU, CISC, ROMLESS, Elan Family 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ELANSC300-25VC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-25VI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Highly Integrated, Low-Power, 32-Bit Microcontroller |
| ELANSC300-33KC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Highly Integrated, Low-Power, 32-Bit Microcontroller |
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