MC68340AG16VE Freescale Semiconductor, MC68340AG16VE Datasheet - Page 406

• Manufacturer Part Number: MC68340AG16VE
• Description: IC MPU 32BIT 16MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68340AG16VE

• Processor Type: M683xx 32-Bit
• Speed: 16MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Controller Family/series: 68K
• Core Size: 32 Bit
• No. Of I/o's: 16
• Cpu Speed: 16MHz
• No. Of Timers: 2
• Embedded Interface Type: UART
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

11.6 AC ELECTRICAL SPECIFICATIONS CONTROL TIMING
(c), and (d) corresponding to part operation, GND = 0 Vdc, TA = 0 to 70 C; see numbered notes)
2B, 3B 9 CLKOUT Pulse Width in External Mode
NOTES:
11-6
Num.
3C 10
1C 7
2,3 8
1B 6
2C,
4,5
1 5
(a) The electrical specifications in this document for both the 8.39 and 16.78 MHz @ 3.3 V 0.3 V are preliminary
(b) The 16.78-MHz specifications apply to the MC68340 @ 5.0 V 5% operation.
(c) The 25.16 MHz @ 5.0 V 5% electrical specifications are preliminary.
(d) For extended temperature parts T A = –40 to +85 C. These specifications are preliminary.
1.
2.
3.
4.
5.
6.
7.
8.
9.
and apply only to the appropriate MC68340V low voltage part.
All internal registers retain data at 0 Hz.
Assumes that a stable V CCSYN is applied, that an external filter capacitor with a value of 0.1 F is attached to
the XFC pin, and that the crystal oscillator is stable. Lock time is measured from power-up to RESET release.
This specification also applies to the period required for PLL lock after changing the W and Y frequency control
bits in the synthesizer control register (SYNCR) while the PLL is running, and to the period required for the clock
to lock after LPSTOP.
Determined by the initial control voltage applied to the on-chip VCO. The X-bit in the SYNCR controls a divide-
by-two scaler on the system clock output.
CLKOUT stability is the average deviation from programmed frequency measured at maximum f sys .
Measurement is made with a stable external clock input applied using the PLL.
All crystal mode clock specifications are based on using a 32.768-kHz crystal for the input.
When using the external clock input mode (MODCK reset value = 0 V), the minimum allowable t EXTcyc period
will be reduced when the duty cycle of the signal applied to EXTAL exceeds 5% tolerance. The relationship
between external clock input duty cycle and minimum t EXTcyc is expressed:
Minimum external clock low and high times are based on a 45% duty cycle.
When using the external clock input mode with the PLL (MODCK reset value = 0 V), the external clock input duty
cycle can be at minimum 20% to produce a CLKOUT with a 50% duty cycle.
For crystal mode operation, the minimum CLKOUT pulse width is based on a 47% duty cycle.
For external clock mode operation, the minimum CLKOUT pulse width is based on a 45% duty cycle, with a 50%
duty cycle input clock.
System Frequency 1
Crystal Frequency
On-Chip VCO System Frequency
On-Chip VCO Frequency Range
External Clock Operation
PLL Start-up Time 2
Limp Mode Clock Frequency 3
CLKOUT stability 4
CLKOUT Period in Crystal Mode
External Clock Input Period
External Clock Input Period with PLL
CLKOUT Pulse Width in Crystal Mode
CLKOUT Pulse Width in External w/PLL
Mode
CLKOUT Rise and Fall Times
SYNCR X-bit = 0
SYNCR X-bit = 1
Minimum t EXTcyc period = minimum
Characteristic
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68340 USER’S MANUAL
Go to: www.freescale.com
t EXTCW
t EXTCW
t EXTCW
Symbol
t EXTcyc
t EXTcyc
f XTAL
f VCO
f limp
t CW
f sys
f sys
f sys
t cyc
t Crf
CLK
t rc
/ (50% – external clock input duty cycle tolerance).
119.2
0.13
62.5
Min
125
125
0.1
dc
25
–1
56
56
—
—
—
—
8.39 MHz
0
3.3 V
16.78
f sys /2
Max
8.39
8.39
f sys
50
20
+1
—
—
—
—
—
—
10
8
3.3 V or 5.0 V
0.13
59.6
62.5
62.5
Min
0.1
16.78 MHz
dc
25
—
—
—
–1
28
28
31
—
0
16.78
16.78
f sys /2
Max
33.5
f sys
50
16
20
+1
—
—
—
—
—
—
5
0.13
Min
0.1
25.16 MHz
dc
25
—
—
—
–1
40
40
40
19
18
20
—
(See notes (a), (b),
0
5.0 V
25.16
25.16
f sys /2
Max
50.3
f sys
50
25
20
+1
—
—
—
—
—
—
4
MOTOROLA
Unit
MHz
MHz
MHz
MHz
kHz
kHz
ms
ns
ns
ns
ns
ns
ns
ns
%