參數(shù)資料
型號(hào)： EP7211-CP-A
廠商： CRYSTAL SEMICONDUCTOR CORP
元件分類： 外設(shè)及接口
英文描述： HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER
中文描述： MULTIFUNCTION PERIPHERAL, PBGA256
封裝： PLASTIC, BGA-256
文件頁數(shù)： 16/166頁
文件大小： 2623K
代理商： EP7211-CP-A
EP7211
High-Performance Ultra-Low-Power System-on-Chip with LCD Controller
16
Pin Information
DS352PP3
JUL 2001
Interrupts
NMEDCHG/
BROM
I
Media changed input; active low, deglitched
—
it is used as a general purpose
FIQ interrupt during normal operation. It is also used on power up to configure
the processor to either boot from the internal Boot ROM, or from external
memory. When low, the chip will boot from the internal Boot ROM.
NEXTFIQ
I
External active low fast interrupt request input
EINT3
I
External active high interrupt request input
NEINT[1
–
2]
I
Two general purpose, active low interrupt inputs
Power
Management
NPWRFL
I
Power fail input; active low deglitched input to force system into the Standby
State
BATOK
I
Main battery OK input; falling edge generates a FIQ, a low level in the Standby
State inhibits system start up; deglitched input
NEXTPWR
I
External power sense; must be driven low if the system is powered by an
external source
NBATCHG
I
New battery sense; driven low if battery voltage falls below the "no-battery"
threshold; it is a deglitched input
State Control
NPOR
I
Power-on reset input; active low input completely resets the entire system;
must be held active for at least two clock cycles to be detected cleanly
RUN/CLKEN
This pin is programmed to either output the RUN signal or the CLKEN signal.
The CLKENSL bit is used to configure this pin. When RUN is selected, the pin
will be high when the system is active or idle, low while in the Standby State.
When CLKEN is selected, the pin will only be driven low when in the Standby
State.
WAKEUP
I
Wake up deglitched input signal; rising edge forces system into the Operating
State; active after a power-on reset
NURESET
I
User reset input; active low deglitched input from user reset button.
This pin is also latched upon the rising edge of NPOR and read along with the
input pins NTEST[0
–
1] to force the device into special test modes.
MCP, Codec or
SSI2
Interface
(See Note)
SSICLK
I/O
MCP/Codec/SSI2 clock signal
SSITXFR
I/O
MCP/Codec/SSI2 serial data output frame/synchronization pulse output
SSITXDA
O
MCP/Codec/SSI2 serial data output
SSIRXDA
I
MCP/Codec/SSI2 serial data input
SSIRXFR
I/O
SSI2 serial data input frame/synchronization pulse
Function
Signal
Name
Signal
Description
相關(guān)PDF資料
PDF描述
EP7211-CV-A HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER
EP7212 HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CB-A HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CV-A HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7309 HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP7211-CV-A 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER
EP7211-CV-D 制造商:Rochester Electronics LLC 功能描述:- Bulk
EP7212 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CB-A 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CV-A 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
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