Z32AN00NW200SG Zilog, Z32AN00NW200SG Datasheet - Page 112
Z32AN00NW200SG
Manufacturer Part Number
Z32AN00NW200SG
Description
IC ARM922T MCU 200MHZ 256-BGA
Manufacturer
Zilog
Series
Encore!® 32r
Datasheet
1.Z32AN00NW200SG.pdf
(196 pages)
Specifications of Z32AN00NW200SG
Core Processor
ARM9
Core Size
16/32-Bit
Speed
200MHz
Connectivity
EBI/EMI, IrDA, SmartCard, SPI, UART/USART, USB OTG
Peripherals
DMA, LCD, Magnetic Card Reader, POR, PWM, WDT
Number Of I /o
76
Program Memory Type
ROMless
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.71 V ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-LBGA
For Use With
269-4713 - KIT DEV ENCORE 32 SERIES
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Other names
269-4717
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Manufacturer
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Price
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Z32AN Series Data Sheet
11.9 RTC Locking
11.9.1 Address FFFFC00Ch: RTC_APB_STA – RTC APB Status Register
DS0200-003
Access to the RTC is locked upon a system reset of the main system, or an invalid write to the RTC_LCK2.
While locked, writes are disabled to the RTC except to RTC_LCK1 and RTC_LCK2. APB may be identified
as “unlocked” by reading RTC_APB_STA.APB_UNLOCKED. The lock is provided to prevent spurious
writes during power up and down of the main system.
30:00
Bits
31
FFFFC00Ch
FFFFC694h
FFFFC968h
Address
Type
RO
RO
Reset
1
0
Description
APB Unlocked (APB_UNLOCKED): Indicates if the APB bus is locked or unlocked.
Security accesses and secure memory are not possible if APB is locked.
Reserved
RTC_APB_STA
RTC_LCK1
RTC_LCK2
Register
Figure 11-2: APB Lock State Machine
Description
RTC APB Status Register
RTC Lock 1 Register
RTC Lock 2 Register
Page 99
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