EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 183
![IC ACCLAIM MCU 256KB 144-BGA](/photos/12/15/121558/269-144-bga_sml.jpg)
EZ80F91NA050SC
Manufacturer Part Number
EZ80F91NA050SC
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SC
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
0°C ~ 70°C
Package / Case
144-LBGA
Data Bus Width
8 bit
Maximum Clock Frequency
50 MHz
Data Ram Size
16 KB
Number Of Programmable I/os
32
Number Of Timers
16 Bit
Operating Supply Voltage
3 V to 3.6 V
Mounting Style
SMD/SMT
Height
1.5 mm
Length
13 mm
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Width
13 mm
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No RoHS Version Available
Other names
269-3251
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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