EP9312-CB Cirrus Logic Inc, EP9312-CB Datasheet - Page 652
EP9312-CB
Manufacturer Part Number
EP9312-CB
Description
System-on-Chip Processor
Manufacturer
Cirrus Logic Inc
Series
EP9r
Datasheets
1.EP9307-CRZ.pdf
(824 pages)
2.EP9312-IBZ.pdf
(4 pages)
3.EP9312-CB.pdf
(62 pages)
4.EP9312-CB.pdf
(17 pages)
Specifications of EP9312-CB
Peak Reflow Compatible (260 C)
No
A/d Converter
12 Bits
Leaded Process Compatible
No
No. Of I/o Pins
65
Package / Case
352-BGA
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, EIDE, 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
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
0°C ~ 70°C
Processor Series
EP93xx
Core
ARM920T
Data Bus Width
32 bit
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
Other names
598-1257
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP9312-CB
Manufacturer:
CIRRUS
Quantity:
20 000
- EP9307-CRZ PDF datasheet
- EP9312-IBZ PDF datasheet #2
- EP9312-CB PDF datasheet #3
- EP9312-CB PDF datasheet #4
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- Download datasheet (13Mb)
20
20.1 Registers
Register Descriptions
RTCData
20-4
Real Time Clock With Software Trim
EP93xx User’s Guide
20.1.2 Reset Control
31
15
Address:
Default:
Definition:
Bit Descriptions:
The RTC block level reset operation is a bit complicated. The reset strategy is for the time-
keeping part of the RTC to survive a system reset, and only be initialized by a power-on reset.
The RTC interrupt enable is cleared by a user reset, so that a time count match (alarm
interrupt) would disable with system reset.
The following register is initialized only by PRSTn: RTCSWComp
The following registers are initialized by PRSTn: RTCData, RTCMatch, RTCLoad, and
RTCCtrl.
30
14
29
13
0x8092_000C
0x8092_0000
0x8092_0004
0x8092_0008
0x8092_0010
0x8092_0098
Address
28
12
0x8092_0000 - Read Only
0x0000_0000
RTC Data Register. Contains the 32 bit RTC counter value. This counter is
incremented by the 1 Hz clock output from the RTC Trim module.
RTCDR:
27
11
Table 20-1. Real Time Clock Register Memory Map
26
10
"RTCSWComp"
Copyright 2007 Cirrus Logic
"RTCMatch"
"RTCLoad"
"RTCData"
"RTCCtrl"
"RTCSts"
25
Name
9
Counter value.
24
8
RTCDR
RTCDR
23
7
RTC Data Register
RTC Match Register
RTC Status/EOI Register
RTC Load Register
RTC Control Register
RTC Software Compensation
22
6
21
5
Description
20
4
19
3
18
2
17
1
DS785UM1
16
0
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