EP7312-IVZ Cirrus Logic Inc, EP7312-IVZ Datasheet - Page 11
![IC ARM720T MCU 90/74MHZ 208-LQFP](/photos/12/32/123263/ep7312-ivz_sml.jpg)
EP7312-IVZ
Manufacturer Part Number
EP7312-IVZ
Description
IC ARM720T MCU 90/74MHZ 208-LQFP
Manufacturer
Cirrus Logic Inc
Series
EP7r
Specifications of EP7312-IVZ
Core Size
32-Bit
Core Processor
ARM7
Speed
74MHz
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
Controller Family/series
(ARM7)
No. Of I/o's
27
Ram Memory Size
48KB
Cpu Speed
74MHz
No. Of Timers
2
No. Of Pwm Channels
2
Digital Ic Case Style
LQFP
Embedded Interface Type
SSI, UART
Rohs Compliant
Yes
Processor Series
EP73xx
Core
ARM720T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB7312
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1209 - KIT DEVELOPMENT EP73XX ARM7
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
598-1135
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Pin Multiplexing
Table 18
CODEC. The selection between SSI2 and the CODEC is
controlled by the state of the SERSEL bit in SYSCON2. The
choice between the SSI2, CODEC, and the DAI is controlled
by the DAISEL bit in SYSCON3 (see the EP7312 User’s
Manual for more information).
DS508F1
SSICLK
SSITXDA
SSIRXDA
SSITXFR
SSIRXFR
BUZ
Mnemonic
Pin
shows the pin multiplexing of the DAI, SSI2 and the
Table 18. DAI/SSI2/CODEC Pin Multiplexing
I/O
I/O
I/O
O
O
I
I
MCLKOUT
MCLKIN
SDOUT
LRCK
SCLK
SDIN
DAI
SSITXDA
SSIRXDA
SSITXFR
SSIRXFR
SSICLK
SSI2
©
Copyright Cirrus Logic, Inc. 2005
PCMSYNC
PCMOUT
CODEC
PCMCLK
PCMIN
(All Rights Reserved)
p/u
Table 19
EP7312.
nMOE
nMWE
WRITE
A[27:15]
A[14:13]
PD[7:6]
RUN
nMEDCHG
PD[0]
PE[1:0]
PE[2]
Signal
shows the pins that have been multiplexed in the
High-Performance, Low-Power System on Chip
Static Memory
Static Memory
Static Memory
Static Memory
Static Memory
GPIO
System
Configuration
Interrupt
Controller
GPIO
GPIO
GPIO
Table 19. Pin Multiplexing
Block
nSDCAS
nSDWE
nSDRAS
DRA[0:12]
DRA[13:14]
SDQM[1:0]
CLKEN
nBROM
LEDFLSH
BOOTSEL[1:0]
CLKSEL
Signal
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
System
Configuration
Boot ROM
select
LED Flasher
System
Configuration
System
Configuration
Block
EP7312
11