EP7312-IV-90 Cirrus Logic Inc, EP7312-IV-90 Datasheet - Page 27
![IC ARM720T MCU 90MHZ 208-LQFP](/photos/12/44/124403/ep7312-iv-90_sml.jpg)
EP7312-IV-90
Manufacturer Part Number
EP7312-IV-90
Description
IC ARM720T MCU 90MHZ 208-LQFP
Manufacturer
Cirrus Logic Inc
Series
EP7r
Datasheet
1.EP7312-CVZ.pdf
(64 pages)
Specifications of EP7312-IV-90
Core Processor
ARM7
Core Size
32-Bit
Speed
90MHz
Connectivity
Codec, DAI, EBI/EMI, IrDA, Keypad, SPI/Microwire1, UART/USART
Peripherals
LCD, LED, MaverickKey, PWM
Number Of I /o
27
Program Memory Type
ROMless
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
2.3 V ~ 2.7 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-LQFP
For Use With
598-1209 - KIT DEVELOPMENT EP73XX ARM7
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Other names
598-1246
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP7312-IV-90
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
SSI2 Interface
DS508F1
SSICLK period (slave mode)
SSICLK high time
SSICLK low time
SSICLK rise/fall time
SSICLK rising edge to RX and/or TX frame sync high time
SSICLK rising edge to RX and/or TX frame sync low time
SSIRXFR and/or SSITXFR period
SSIRXDA setup to SSICLK falling edge time
SSIRXDA hold from SSICLK falling edge time
SSICLK rising edge to SSITXDA data valid delay time
SSITXDA valid time
SSIRXFR/
RXDA
TXDA
SSITXFR
CLK
SSI
SSI
SSI
t
FRd
t
TXd
Parameter
t
D7
D7
TXv
t
t
RXs
t
RXh
clk_per
Figure 12. SSI2 Interface Timing Measurement
©
Copyright Cirrus Logic, Inc. 2005
t
FRa
(All Rights Reserved)
t
clkrf
t
FR_per
t
clk_high
D2
D2
High-Performance, Low-Power System on Chip
Symbol
t
t
t
t
clk_high
FR_per
clk_per
clk_low
t
t
t
t
t
t
t
clkrf
FRd
FRa
RXs
RXh
TXd
TXv
D1
D1
Min
185
925
925
960
960
3
3
3
-
-
-
t
clk_low
D0
D0
Max
2050
1025
1025
990
990
18
3
8
7
7
2
Unit
EP7312
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
27