EZ80F93AZ020SC00TR Zilog, EZ80F93AZ020SC00TR Datasheet - Page 86
EZ80F93AZ020SC00TR
Manufacturer Part Number
EZ80F93AZ020SC00TR
Description
IC ACCLAIM MCU 64KB 100LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F93AZ020SC00TR
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
EZ80F93AZ020SC00T
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PS015313-0508
PRT Count
(Clock
PRT Clock
Interrupt
Request
IOWRN
Value
CLK
4)
Table 30. PRT CONTINUOUS Mode Operation Example
Reading the Current Count Value
The CPU is capable of reading the current count value while the timer is running. This
Read event does not affect timer operation. The High byte of the current count value is
latched during a Read of the Low byte.
Timer Interrupts
The timer interrupt flag, PRT_IRQ, is set to 1 whenever the timer reaches its end-of-count
value,
CONTINUOUS mode. The interrupt flag is only set when the timer reaches
reloads) from
the value
The CPU can be programmed to poll the PRT_IRQ bit for the time-out event. Alterna-
tively, an interrupt service request signal can be sent to the CPU by setting IRQ_EN to 1.
Parameter
PRT Enabled
Reload and Restart Enabled
PRT Clock Divider = 4
CONTINUOUS Mode
PRT Interrupt Enabled
PRT Reload Value
0000h
Figure 22. PRT CONTINUOUS Mode Operation Example
0000h
X
, in SINGLE PASS mode, or when the timer reloads the start value in
0001h
, which selects the maximum time-out period.
I/O Write to TMRx_CTL Enables PRT
. The timer interrupt flag is not set to 1 when the timer is loaded with
4
3
Control Register(s)
TMRx_CTL[0]
TMRx_CTL[1]
TMRx_CTL[3:2]
TMRx_CTL[4]
TMRx_CTL[6]
{TMRx_RR_H, TMRx_RR_L}
2
1
Programmable Reload Timers
Product Specification
4
eZ80F92/eZ80F93
0000h
Value
1
1
00b
1
1
0004h
3
(or
79
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