EP9315-IBZ Cirrus Logic Inc, EP9315-IBZ Datasheet - Page 718
EP9315-IBZ
Manufacturer Part Number
EP9315-IBZ
Description
32-Bit Microcontroller IC
Manufacturer
Cirrus Logic Inc
Series
EP9r
Specifications of EP9315-IBZ
Controller Family/series
(ARM9)
Core Size
32 Bit
A/d Converter
12 Bits
Supply Voltage
3.3V
No. Of I/o Pins
65
Package / Case
352-PBGA
Clock Frequency
200MHz
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, PCMCIA, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9315A-Z
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1144 - KIT DEVELOPMENT EP9315 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1263
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP9315-IBZ
Manufacturer:
CIRRUS
Quantity:
13
Company:
Part Number:
EP9315-IBZ
Manufacturer:
CIRRUS
Quantity:
347
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23
23-6
Synchronous Serial Port
EP93xx User’s Guide
In this configuration, during idle periods:
If the SSP is enabled and there is valid data within the transmit FIFO, the start of
transmission is signified by the SFRMOUT master signal being driven LOW. This causes
slave data to be enabled onto the SSPRXD input line of the master. The master SSPTXD
output pad is enabled.
One half SCLKOUT period later, valid master data is transferred to the SSPTXD pin. Now
that both the master and slave data have been set, the SCLKOUT master clock pin goes
HIGH after one further half SCLKOUT period.
The data is now captured on the rising edges, and is propagated on the falling edges, of the
SCLKOUT signal.
In the case of a single word transmission, after all bits of the data word have been
transferred, the SFRMOUT line is returned to its idle HIGH state one SCLKOUT period after
the last bit has been captured.
However, in the case of continuous back-to-back transmissions, the SFRMOUT signal must
be pulsed HIGH between each data word transfer. This is because the slave select pin
freezes the data in its serial peripheral register and does not allow it to be altered if the SPH
bit is logic zero. Therefore the master device must raise the SFRMIN pin of the slave device
between each data transfer to enable the serial peripheral data write. On completion of the
continuous transfer, the SFRMOUT pin is returned to its idle state one SCLKOUT period after
the last bit has been captured.
• the SCLKOUT signal is forced LOW
• SFRMOUT is forced HIGH
• the transmit data line SSPTXD is arbitrarily forced LOW
• when the SSP is configured as a master, the SSPCTLOE line is driven LOW, enabling
• when the SSP is configured as a slave, the SSPCTLOE line is driven HIGH, disabling
SSPOE (=0)
the SCLKOUT pad (active LOW enable)
the SCLKOUT pad (active LOW enable).
SCLKOUT /
SCLKIN
SFRMOUT /
SFRMIN
SSPRXD
SSPTXD
Figure 23-4. Motorola SPI Frame Format (Continuous Transfer)
LS B
LS B
M SB
Copyright 2007 Cirrus Logic
M SB
with SPO=0 and SPH=0
4 t o 16 bi t s
LSB
LSB
M SB
M SB
DS785UM1
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