EZ80F91NA050EG Zilog, EZ80F91NA050EG Datasheet - Page 183
EZ80F91NA050EG
Manufacturer Part Number
EZ80F91NA050EG
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050EG
Core Processor
Z8
Core Size
8-Bit
Speed
50MHz
Connectivity
Ethernet, I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LBGA
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
- 40 C
For Use With
269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-3869
EZ80F91NA050EG
EZ80F91NA050EG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 93. Real-Time Clock Control Register
PS019215-0910
Bit
Reset
CPU Access
Note: X = Unchanged by RESET; R = Read Only; R/W = Read/Write.
Bit Position
7
ALARM
6
INT_EN
5
BCD_EN
4
CLK_SEL
3
FREQ_SEL
2
DAY_SAV
1
SLP_WAKE
0
RTC_UNLOCK
32768. If the power-line frequency option is selected, the prescale value is set by the
FREQ_SEL bit, and the 32 kHz oscillator is disabled. See
Value Description
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Alarm interrupt is inactive.
Alarm interrupt is active.
Interrupt on alarm condition is disabled.
Interrupt on alarm condition is enabled.
RTC count and alarm value registers are binary.
RTC count and alarm value registers are BCD.
RTC clock source is crystal oscillator output (32768 Hz).
On-chip 32768Hz oscillator is enabled.
RTC clock source is power-line frequency input.
On-chip 32768 Hz oscillator is disabled.
Power-line frequency is 60 Hz.
Power-line frequency is 50 Hz.
Suggested value for Daylight Savings Time not selected.
Suggested value for Daylight Savings Time selected.
This register bit has been allocated as a storage location only
for software applications that use DST. No action is performed
in the eZ80F91 when setting or clearing this bit.
RTC did not generate a sleep-mode recovery reset.
RTC Alarm generated a sleep-mode recovery reset.
RTC count registers are locked to prevent write access.
RTC counter is enabled.
RTC count registers are unlocked to allow write access.
RTC counter is disabled.
R
X
7
R/W
6
0
R/W
X
5
R/W
(RTC_CTRL = 00EDh)
X
4
R/W
X
3
R/W
X
2
Table
0/1
R
1
Product Specification
93.
R/W
0
0
Real-Time Clock
174
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