EZ80F91AZA50SG Zilog, EZ80F91AZA50SG Datasheet - Page 134
EZ80F91AZA50SG
Manufacturer Part Number
EZ80F91AZA50SG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91AZA50SG
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-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
I2C, IrDA, SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
0 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
269-4564
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS027001-0707
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
Break Point Halting
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.
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 ASSP
1
126
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