EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 135
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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Break Point Halting
PS019215-0910
TMR3_CTL Write
(Timer Enable)
System Clock
Clock Enable
Specialty Timer Modes
Timer Out
Timer Out
T3 Count
(internal)
(at pad)
Table 52. Example: PRT Timer Out Parameters
When the eZ80F91 device is running in DEBUG mode, encountering a break point causes
all CPU functions to halt. However, the timers keep running. This instance makes debug-
ging timer-related software much more difficult. Therefore, the control
register contains a BRK_STP bit. Setting this bit causes the count value to be held during
debug break points.
The features described above are common to all timers in the eZ80F91 device. In addition
to these common features, some of the timers have additional functionality.
The following is a list of the special features for each timer:
Parameter
Timer Enable
Reload
Prescaler Divider = 4
CONTINUOUS Mode
Timer Reload Value
Figure 29. Example: PRT Timer Output Operation
0
4
3
Control Register(s)
TMR
TMR
TMR
TMR
{TMR
x
x
x
x
x
_CTL[TIM_EN]
_CTL[RLD]
_CTL[CLK_DIV]
_CTL[TIM_CONT]
_RR_H, TMRx_RR_L}
2
1
4
3
Programmable Reload Timers
Value
1
1
00b
1
0003h
Product Specification
2
eZ80F91 MCU
1
126
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