EP9307-CRZ Cirrus Logic Inc, EP9307-CRZ Datasheet - Page 770
EP9307-CRZ
Manufacturer Part Number
EP9307-CRZ
Description
IC ARM9 SOC ARM920T 272TFBGA
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(16 pages)
2.EP9307-CRZ.pdf
(50 pages)
3.EP9307-CRZ.pdf
(824 pages)
4.EP9307-CRZ.pdf
(48 pages)
Specifications of EP9307-CRZ
Core Size
16/32-Bit
Core Processor
ARM9
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, Keypad/Touchscreen, SPI, UART/USART, USB
Peripherals
AC'97, DMA, I²:S, LCD, LED, MaverickKey, POR, PWM, WDT
Number Of I /o
14
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
0°C ~ 70°C
Package / Case
272-TFBGA
Controller Family/series
(ARM9)
No. Of I/o's
14
Ram Memory Size
32MB
Cpu Speed
200MHz
No. Of Timers
4
No. Of Pwm Channels
1
Digital Ic Case Style
TFBGA
Embedded Interface Type
AC97, I2S, SPI, UART, USB
Rohs Compliant
Yes
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
EDB9307A-Z
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1133 - KIT DEVELOPMENT EP9307 ARM9
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Other names
598-1138
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9307-CRZ
Manufacturer:
CIRRUS
Quantity:
20 000
Part Number:
EP9307-CRZ/E2
Manufacturer:
CIRRUS
Quantity:
20 000
Company:
Part Number:
EP9307-CRZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
- EP9307-CRZ PDF datasheet
- EP9307-CRZ PDF datasheet #2
- EP9307-CRZ PDF datasheet #3
- EP9307-CRZ PDF datasheet #4
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- Download datasheet (13Mb)
26
KeyDiagnostic
26-8
Keypad Interface
EP93xx User’s Guide
31
15
Address:
Default:
Definition:
Bit Descriptions:
30
14
29
13
28
12
PRSCL:
0x808F_0004
0x0000_0000
Diagnostic key value register.
RSVD:
DIAG:
27
11
RSVD
26
10
Copyright 2007 Cirrus Logic
25
9
Row/Column counter pre-scaler load value. This value is
used to pre-load the RC pre-scale counter. The pre-scale
down counter counts the number of 1 MHz clocks for
every step of the RC counter. When the pre-scale counter
reaches 0, the RC counter steps. A pre-load value of
0x002 will cause the RC counter to step every three
clocks. The PRSCL value should never be set to 0x000 or
0x001, except for high speed counter tests, as the key
state machine will not resolve keys properly for these
values.
Key array scan time = clock period * (PRSCL+1)[64keys]
Example scan time for PRSCL[9:0] = 0x0FA
Scan time = 1 μs * (249 +1) = 16 ms
if de-bounce = 0xFC, key detection interrupt is fired in
approximately 48 ms.
Array scan time can range from 64 μsec. to 65.536 ms.
Reserved. Unknown during read.
Diagnostic key value. When diagnostic mode is enabled
(KeyScanInit.DIAG high) and this register is written, the
Row Column scan value is used to directly control the chip
key matrix scan drivers and receivers. Results are read
back via the KeyRegister.K bit.
24
8
RSVD
23
7
22
6
21
5
20
4
19
3
DIAG
18
2
17
1
DS785UM1
16
0
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