EZ80190AZ050SC00TR Zilog, EZ80190AZ050SC00TR Datasheet - Page 43

• Manufacturer Part Number: EZ80190AZ050SC00TR
• Description: IC EZ80 ACCLAIM 50MHZ 100LQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050SC00TR

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 3. PRT Single-Pass Mode Operation Example
PS006614-1208
Parameter
PRT Enabled
Reload and Restart Enabled
PRT Clock Divider = 2
Single-Pass Mode
PRT Interrupt Enabled
PRT Reload Value
PRT Count
PRT Clock
Value
Interrupt
Request
(CLK/2)
IOWRN
CLK
CONTINUOUS Mode
In CONTINUOUS mode, when the end-of-count value,
matically reloads the 16-bit start value from the Timer Reload registers, TMRx_RR_H and
TMRx_RR_L. Downcounting continues on the next clock edge. In CONTINUOUS mode,
the PRT continues to count until disabled.
ing in CONTINUOUS mode. Timer register information is listed in
x
Figure 5. PRT Continuous Mode Operation Example
I/O Write to TMRx_CTL
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}
4
Enables PRT
3
Figure 5
2
displays an example of a PRT operat-
0000h
1
Value
1
1
00b
0
0
0004h
Programmable Reload Timers
, is reached, the timer auto-
Product Specification
Table
4
4.
3
eZ80190
33