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參數(shù)資料
| 型號(hào)： | ELANSC400 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| 中文描述： | 單芯片，低功耗的PC / AT兼容微控制器 |
| 文件頁數(shù)： | 67/132頁 |
| 文件大?。?/td> | 2400K |
| 代理商： | ELANSC400 |
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élanSC400 and élanSC410 Microcontrollers Data Sheet
67
RTS
O
Request To Send
indicates to the external DCE that the internal serial port controller is ready
to send data.
Serial Data In
receives the serial data from the external serial device or DCE into the internal
serial port controller.
Serial Data Out
transmits
the serial data from the internal serial port controller to the external
serial device or DCE.
SIN
I
SOUT
O
Keyboard Interfaces
KBD_COL7–
KBD_COL0
KBD_ROW14–
KBD_ROW0
XT_CLK
O
Matrix-Scanned Keyboard Column Outputs
drive the matrix keyboard column lines.
(Open Collector Output with programmable termination)
Matrix-Scanned Keyboard Row Inputs
samples the row lines on the matrix keyboard.
STI
I/O
XT Keyboard Clock
is the clock signal for an external XT keyboard interface.
(Open Collector Output)
XT Keyboard Data
is the data signal for an external XT keyboard interface.
(Open Collector Output)
XT_DATA
I/O
General-Purpose Input/Output
GPIO31–GPIO15
GPIO_CS14–
GPIO_CS0
B
General Purpose I/Os and Programmable Chip Selects
Each of the GPIOs can be programmed to be an input or an output.
As outputs, all of the GPIOs can be programmed to be High or Low. Some of the GPIOs can
be programmed to be High or Low for each of the power management modes. Also as
outputs, some of these pins can be individually programmed as chip selects for other
external peripheral devices. These can be configured as direct memory address decodes or
I/O decodes qualified or non-qualified by the ISA bus command signals. Any one of the
GPIO_CSx signals can be configured as ROMCS2.
As inputs, all the GPIOs can be read back with a register bit. Some of these pins can be
individually programmed to act as activity triggers, wake-up sources, or SMIs.
Serial Infrared Port
SIRIN
SIROUT
PC Card Controller (élanSC400 Microcontroller Only)
(Note: The names in parentheses in this section are those used in PC Card Memory and I/O mode.)
BVD1_A
(STSCHG_A
)–
BVD1_B
(STSCHG_B)
signals are not supported on the élanSC410 microcontroller.
BVD2_A (SPKR_A)
(DRQ_A)–
BVD2_B (SPKR_B)
(DRQ_B)
enabled, the DMA request from the PC Card can be programmed to appear on this signal.
See also the description for WP_A (IOIS16_A) (DRQ_A) and WP_B (IOIS16_B) (DRQ_B);
the DMA request can also be programmed to appear on these pins. These signals are not
supported on the élanSC410 microcontroller.
CD_A–CD_B
CD_A2
configured to use two card detect inputs and Socket B is only provided with one. If only one
card detect is to be used for a socket, the input signals should be driven from a logical AND
(digital OR) of the CD1 and CD2 signals from their respective card interfaces. These signals
are not supported on the élanSC410 microcontroller.
I
Infrared Serial Input
is the digital input for the serial infrared interface.
Infrared Serial Output
is the digital output for the serial infrared interface.
O
I
Battery Voltage Detect
is driven Low by a PC Card when its on-board battery is dead. When
the PC Card interface is configured for I/O, this signal can be driven by the card to indicate
a card status change. It is typically used to generate a system IRQ in this mode. These
I
Battery Voltage Detect
is driven Low by a PC Card when its on-board battery is weak. When
the PC Card interface is configured for I/O, this signal can be driven by the card’s speaker
output. When enabled, this signal can drive the chip SPKR output. When PC Card DMA is
I
Card Detect
indicates that the card is properly inserted. Socket A is capable of being
Table 19.
Signal Description Table (Continued)
Signal
Type
Description
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| ELANSC400-100AC | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ELANSC400-100AC | 制造商:Advanced Micro Devices 功能描述:MCU 16-Bit/32-Bit Elan CISC 3.3V 292-Pin BGA |
| ELANSC400-100AI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| ELANSC400-33AC | 制造商:Advanced Micro Devices 功能描述:MCU 16-Bit/32-Bit Elan CISC ROMLess 3.3V 292-Pin BGA |
| ELANSC400-33AC-REVA3 | 制造商:Advanced Micro Devices 功能描述:MCU 16-Bit/32-Bit Elan CISC ROMLess 3.3V 292-Pin BGA |
| ELANSC400-33AI | 制造商:Advanced Micro Devices 功能描述:MCU 32-bit Elan RISC ROMLess 3.3V 292-Pin BGA |
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