EP9315-IBZ Cirrus Logic Inc, EP9315-IBZ Datasheet - Page 145
![32-Bit Microcontroller IC](/photos/39/70/397001/bga352_sml.jpg)
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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DS785UM1
Note: The value in the register is the actual coefficient minus one.
Note: The value in the register is the actual coefficient minus one.
Note: This means that PLL1 FOUT is programmed to be 36,864,000 Hz on startup.
Note: The value in the register is the actual coefficient minus one.
Note: Care must be taken to make the correct selection of PCLK divide for the HCLK frequency
used, so that the required minimum ratio between PCLK and the peripheral clock is not
violated
PLL1_X2FBD2:
PLL1_X1FBD1:
PLL1_PS:
PCLKDIV:
HCLKDIV:
Copyright 2007 Cirrus Logic
These 6 register bits set the first feedback divider bits for
PLL1. On power-on-reset the value is set to 000111b (7
decimal).
These 5 register bits set the second feedback divider bits
for PLL1. On power-on-reset the value is set to 10011b (19
decimal).
These two bits determine the final divide on the VCO clock
signal in PLL1.
00 - Divide by 1
01 - Divide by 2
10 - Divide by 4
11 - Divide by 8
On power-on-reset these bits are reset to 11b (3 decimal).
These two bits set the divide ratio between the HCLK AHB
clock and the APB clock (PCLK)
00 - Divide by 1
01 - Divide by 2
10 - Divide by 4
11 - Divide by 8
On power-on-reset the value is set to 00b.
These three bits set the divide ratio between the VCO
output and the bus clock (HCLK)
000 - Divide by 1
001 - Divide by 2
010 - Divide by 4
011 - Divide by 5
On power-on-reset the value is set to 000b.
100 - Divide by 6
101 - Divide by 8
110 - Divide by 16
111 - Divide by 32
EP93xx User’s Guide
System Controller
5-19
5
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