Z86E7216PSG Zilog, Z86E7216PSG Datasheet - Page 57

• Manufacturer Part Number: Z86E7216PSG
• Description: IC 16K OTP ZIRC 40-DIP
• Manufacturer: Zilog
• Series: Z8®r

Specifications of Z86E7216PSG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 16MHz
• Peripherals: LVD, POR, WDT
• Number Of I /o: 31
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 748 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.620", 15.75mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PS008704-0507
Counter/Timer Functional Blocks
The following are the counter/timer functional blocks:
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Input Circuit
The edge detector monitors the input signal on P31 or P20. Based on CTR1 D5–
D4, a pulse is generated at the Pos Edge or Neg Edge line when an edge is
detected. Glitches in the input signal that have a width less than specified (CTR1
D3, D2) are filtered out (see Figure 25).
CTR1 D6
P20
P31
Input circuit
Eight-bit counter/timer circuits (page 54)
Sixteen-bit counter/timer circuits (page 59)
Output circuit (page 62)
CTR1 D3, D2
MUX
Figure 25. Glitch Filter Circuitry
Glitch Filter
CTR1 D5, D4
Edge Detector
OTP Microcontroller
Neg Edge
Pos Edge
53