EP9312-IBZ Cirrus Logic Inc, EP9312-IBZ Datasheet - Page 40

• Manufacturer Part Number: EP9312-IBZ
• Description: IC ARM920T MCU 200MHZ 352-PBGA
• Manufacturer: Cirrus Logic Inc
• Series: EP9r

Specifications of EP9312-IBZ

• Core Size: 16/32-Bit
• Package / Case: 352-BGA
• Core Processor: ARM9
• Speed: 200MHz
• Connectivity: EBI/EMI, EIDE, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
• Peripherals: AC'97, DMA, I&sup2: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
• Controller Family/series: (ARM9)
• A/d Converter: 12 Bits
• No. Of I/o Pins: 65
• Clock Frequency: 200MHz
• Processor Series: EP93xx
• Core: ARM920T
• Data Bus Width: 32 bit
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 598-1260

EP9312
Universal Platform SOC Processor
40
HSTROBE
HSTROBE
DDMARDYn
DD (15:0)
DD (15:0)
HSTROBE
(device)
(device)
DD (15:0)
DMACKn
DMARQ
(host)
(host)
(device)
(device)
Note:
Note:
STOP
(host)
(host)
(host)
(host)
DD (15:0) and HSTROBE signals are shown at both the device and the host to emphasize that cable settling time as well as
cable propagation delay shall not allow the data signals to be considered stable at the device until some time after they are
driven by the host.
1. The device may negate DMARQ to request termination of the Ultra DMA burst no sooner than t
2. If the t
negated.
t
DH
t
DVH
SR
timing is not satisfied, the device may receive zero, one, or two more data words from the host.

Figure 26. Device Pausing an Ultra DMA data-out Burst
t
Copyright 2010 Cirrus Logic (All Rights Reserved)
CYCWR
Figure 25. Sustained Ultra DMA data-out Burst
t
DS
t
t
SR
DVS
t
2CYCWR
t
DH
t
DVH
t
CYCWR
t
RFS
t
DS
t
RP
t
DVS
t
DH
t
2CYCWR
t
DVH
RP
after DDMARDYn is
DS515F2