Clock Input Specifications; Ac Electrical Specifications; Reset, Mod Timing Specifications; Clkin Timing (For Square Wave Input - Motorola M-CORE MMC2001 Series Reference Manual

A.3 Clock Input Specifications
Num
CLKIN Frequency
1 CLKIN Period
2 CLKIN Rise Time (for square wave input)
3 CLKIN Fall Time (for square wave input)
CLKIN Duty Cycle
CLKIN Input Voltage
Crystal Frequency
Crystal Period
NOTES:
1. CLKIN is an AC-coupled input requiring a periodic waveform, either a sine wave or a square wave. The DC
bias level must keep the minimum level of the signal greater than GND and the maximum level of the signal
less than V .
CCE
CLKIN
Figure A-1 CLKIN Timing (for Square Wave Input)
A.4 AC Electrical Specifications
The following AC electrical specifications are given for V
3.3 V +/– 10% with a maximum capacitive load of 50 pF on the outputs.
A.4.1 Reset, MOD Timing Specifications
Table A-4 Reset, MOD Timing Specifications
Num
11 RSTIN Duration to be Qualified as Valid
12 Delay from RSTIN Assertion to RSTOUT Assertion
13 Delay from RSTIN Negation to RSTOUT Negation
Delay from RSTIN Assertion to all Pins at Reset
14
Value (periodically sampled and not 100% tested)
15 MOD Setup Time to RSTOUT Negation
16 MOD Hold Time
MOTOROLA
A-2
Freescale Semiconductor, Inc.
Table A-3 Clock Input Specifications
Characteristic
1
1
Characteristic
ELECTRICAL CHARACTERISTICS
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Symbol Min
CLK 8
T 29.4
HRC
—
—
45
0.8
—
T 30.5
LRC
2
3
= 2.0 +/– 10% and V
CCI
Expression Min
4*T + 0.05 122.12
LRC
min: 4.5 * T
LRC
137.33
max: 5.5 * T
LRC
8 * T 244.14
LRC
min: 4.5 * T
LRC
137.33
max: 5.5 * T
LRC
4*T + 0.05 122.12
LRC
— 0
REFERENCE MANUAL
Max Unit
34 MHz
— ns
3 ns
3 ns
55 %
V Vpp
CCE
32.768 kHz
µs
—
=
CCE
Max Unit
µs
—
µs
167.85
µs
—
µs
167.85
µs
—
— ns
MMC2001