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參數(shù)資料
| 型號(hào)： | ELANSC400-100AI |
| 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(yè)數(shù)： | 68/132頁(yè) |
| 文件大?。?/td> | 2400K |
| 代理商： | ELANSC400-100AI |
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68
élanSC400 and élanSC410 Microcontrollers Data Sheet
ICDIR
O
Card Data Direction
controls the direction of the card data buffers or voltage translators. It
works with the MCEL and MCEH card enable signals to control data buffers on the card
interface. When this signal is High, the data flow is from the chip to the card socket, indicating
a data write cycle. When this signal is Low, the data flow is from the card socket into the chip,
indicating a read cycle. This signal is not supported on the élanSC410 microcontroller.
Card Enables, High Byte
enables a PC Card’s high data bus byte transceivers for the
respective card interfaces. These signals are not supported on the élanSC410 microcontroller.
Card Enables, Low Byte
enables a PC Card’s low data bus byte transceivers for the
respective card interfaces. These signals are not supported on the élanSC410 microcontroller.
PC Card Output Enable:
This is the PC Card memory read signal. This signal is not
supported on the élanSC410 microcontroller.
PC Card Socket A V
CC
Enable
can be used to control the V
CC
to Socket A. This signal is
not supported on the élanSC410 microcontroller.
PC Card Socket A VPP Selects
can be used to control the V
PP
to Socket A. These signals
are not supported on the élanSC410 microcontroller.
PC Card Socket B V
CC
Enable
can be used to control the V
CC
to Socket B. This signal is
not supported on the élanSC410 microcontroller.
PC Card Socket B VPP Selects
can be used to control the V
PP
to Socket B. These signals
are not supported on the élanSC410 microcontroller.
Card Ready
indicates that the respective card is ready to accept a new data transfer
command. When the card interface is configured as an I/O interface, this signal is used as
the card Interrupt Request input into the chip. These signals are not supported on the
élanSC410 microcontroller.
Attribute Memory Select
signals
are driven inactive (High) for accesses to a PC Card’s
common memory, and asserted (Low) for accesses to a PC Card’s attribute memory and
I/O space for their respective card interfaces. When PC Card DMA is enabled, the DMA
acknowledge to the PC Card appears on this signal. These signals are not supported on the
élanSC410 microcontroller.
Card Reset
signals are the reset for their respective cards. When active, this signal clears
the Interrupt and General Control Register (PC Card index 03h and 43h), thus placing a card
in an unconfigured (Memory-Only mode) state. It also indicates the beginning of any additional
card initialization. These signals are not supported on the élanSC410 microcontroller.
Extend Bus Cycle
delays the completion of the memory access or I/O access that is
currently in progress. When this signal is asserted (Low), wait states are inserted into the
cycle in progress. Only one WAIT input is provided on the chip. External logic is required for
a two-socket implementation to logically AND (digitally OR) each card’s WAIT signal
together. This signal is not supported on the élanSC410 microcontroller.
PC Card Write Enable
is the PC Card memory write signal. Data is transferred from the chip
to the PC Card. When PC Card DMA is enabled, the DMA Terminal Count to the PC Card
appears on this signal. This signal is not supported on the élanSC410 microcontroller.
Write Protect
indicates the status of the respective card’s Write Protect switch. When the
respective card is configured for an I/O interface, this signal is used by the card to indicate
back to the chip that the currently accessed port is 16 bits wide. When PC Card DMA is
enabled, the DMA request from the PC Card can be programmed to appear on this signal.
See also the description for BVD2_A (SPKR_A) (DRQ_A) and BVD2_B (SPKR_B)
(DRQ_B); the DMA request can also be programmed to appear on these pins. These signals
are not supported on the élanSC410 microcontroller.
LCD Graphics Controller (élanSC400 Microcontroller Only)
FRM
O
LCD Panel Line Frame Start
is asserted by the chip at the start of every frame to indicate
to the LCD panel that the next data clocked out is intended for the start of the first scan line
on the panel. Some panels refer to this signal as FLM or S (scan start-up). This signal is not
supported on the élanSC410 microcontroller.
MCEH_A, MCEH_B
O
MCEL_A, MCEL_B
O
OE
O
PCMA_VCC
O
PCMA_VPP2–
PCMA_VPP1
PCMB_VCC
O
O
PCMB_VPP2–
PCMB_VPP1
RDY_A (IREQ_A),
RDY_B (IREQ_B)
O
I
REG_A (DACK_A),
REG_B (DACK_B)
O
RST_A, RST_B
O
WAIT_AB
I
WE (TC)
O
WP_A (IOIS16_A)
(DRQ_A), WP_B
(IOIS16_B)
(DRQ_B)
I
Table 19.
Signal Description Table (Continued)
Signal
Type
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ELANSC400-33AC | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| ELANSC400-33AI | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| ELANSC400-66AC | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| ELANSC400-66AI | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
| ELANSC410-100AC | Single-Chip, Low-Power, PC/AT-Compatible Microcontrollers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ELANSC400-33AIAD | 制造商:Advanced Micro Devices 功能描述: |
| ELANSC400-66AC | 制造商:Advanced Micro Devices 功能描述: |
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