MC68HC916Y3CFT16 Freescale Semiconductor, MC68HC916Y3CFT16 Datasheet - Page 123

• Manufacturer Part Number: MC68HC916Y3CFT16
• Description: IC MCU 96K FLASH 16MHZ 160-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC16r

Specifications of MC68HC916Y3CFT16

• Core Processor: CPU16
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 60
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 160-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

MC68HC16Y3/916Y3
USER’S MANUAL
EXTERNAL CLOCK?
SETUP INTERRUPT
TO WAKE UP MCU
ON IN LPSTOP?
ENTER LPSTOP
FROM LPSTOP
WANT CLKOUT
SET STEXT = 1
YES
YES
f
f
IN LPSTOP
clkout
eclk
USING
= f
2
= f
sys
sys
The internal oscillator which supplies the input frequency for the PLL
always runs when a crystal is used.
NO
NO
NOTES:
USE SYSTEM CLOCK
1. THE SCIMCLK IS USED BY THE PIT, IRQ, AND INPUT BLOCKS OF THE SCIM2.
2. CLKOUT CONTROL DURING LPSTOP IS OVERRIDDEN BY THE EXOFF BIT IN SCIMCR. IF EXOFF = 1, THE CLKOUT
AS SCIMCLK IN
SET STSCIM = 1
SET STEXT = 0
YES
PIN IS ALWAYS IN A HIGH IMPEDANCE STATE AND STEXT HAS NO EFFECT IN LPSTOP. IF EXOFF = 0, CLKOUT
IS CONTROLLED BY STEXT IN LPSTOP.
f
f
clkout
scimclk
IN LPSTOP
IN LPSTOP
f
LPSTOP?
eclk
Figure 5-6 LPSTOP Flowchart
2
= 0 Hz
1
= 0 Hz
= f
sys
NO
NOTE
SET STSCIM = 0
ON IN LPSTOP?
WANT CLKOUT
SET STEXT = 1
YES
f
IN LPSTOP
IN LPSTOP
scimclk
f
f
clkout
eclk
= 0 Hz
2
1
= f
= f
ref
ref
NO
SET STEXT = 0
f
clkout
IN LPSTOP
f
eclk
2
= 0 Hz
= 0 Hz
MOTOROLA
LPSTOPFLOW
5-15