Contents
4.7
Oscillator .......................................................................................................... 23
4.7.1
Oscillator Modes................................................................................................23
4.7.1.1 Oscillator Modes Defined by OSC, HLF, and HLP.............................23
4.7.1.2 The Summary of Maximum Operating Speeds ..................................23
Crystal Oscillator/Ceramic Resonators (XTAL) .................................................23
4.7.2.1 Capacitor Selection Guide for Crystal Oscillator or
Ceramic Resonator ............................................................................24
External RC Oscillator Mode.............................................................................25
4.7.3.1 RC Oscillator Frequencies .................................................................26
Code Option Register (Word 0).........................................................................26
Customer ID Register (Word 1).........................................................................27
4.7.2
4.7.3
4.8
CODE Option Register ..................................................................................... 26
4.8.1
4.8.2
4.9
Power-On Considerations ................................................................................ 28
4.10 External Power-On Reset Circuit .................................................................... 28
4.11 Residual-Voltage Protection ............................................................................. 29
4.12 Instruction Set .................................................................................................. 30
4.13 Timing Diagrams .............................................................................................. 32
4.13.1 AC Test Input/Output Waveform........................................................................32
4.13.2 RESET Timing (CLK = ”0”)................................................................................32
4.13.3 TCC Input Timing (CLKS = ”0”) .........................................................................32
5
6
Absolute Maximum Ratings........................................................................ 33
Electrical Characteristics............................................................................ 33
6.1
6.2
6.3
DC Electrical Characteristic.............................................................................. 33
AC Electrical Characteristics ............................................................................ 34
Device Characteristics...................................................................................... 35
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.3.9
Port 6 Vih/Vil vs. VDD (Input Pin with Schmitt Inverter) ....................................35
Port 5 Input Threshold Voltage (Vth) vs. VDD...................................................35
Ports 5 & Port 6 Voh vs. Ioh, VDD=5V and 3V .................................................36
Ports 5 & Port 6 Vol vs. Iol, VDD=5V and 3V....................................................36
WDT Time Out Period vs. VDD (Prescaler Set to 1:1)......................................37
Typical RC OSC Frequency vs. VDD (Cext = 100pF, Temp. = 25℃) ..............38
Typical RC OSC Frequency vs. VDD
(with R and C under Ideal Conditions) ..............................................................38
Typical and Maximum Operating Current
(ICC1/2/3/4) vs. Temperature ............................................................................39
Typical and Maximum Standby Current
(ISB1 and ISB2) vs. Temperature .....................................................................41
6.3.10 Operating Voltage under Temperature Range of 0°C to 70°C
and –40°C to 85°C ............................................................................................42
6.3.11 Operating Current Range (Based on High and Low Freq. @ =25℃)
vs. Voltage.........................................................................................................43
iv
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Product Specification (V1.0) 09.22.2005
EMC [ ELAN MICROELECTRONICS CORP ]
