MC68HC908EY16CFA Freescale Semiconductor, MC68HC908EY16CFA Datasheet - Page 165
MC68HC908EY16CFA
Manufacturer Part Number
MC68HC908EY16CFA
Description
IC MCU 16K FLASH 8MHZ SPI 32LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908EY16VFAR2.pdf
(278 pages)
Specifications of MC68HC908EY16CFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN, SCI, SPI
Peripherals
POR, PWM
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Processor Series
HC08EY
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
ESCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
24
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05CE, ZK-HC08EY-A
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
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Figure 14-12
14.6.2 Stop Mode
In stop mode, the SIM counter is held in reset and the CPU and peripheral clocks are held inactive. If the
STOPOSCEN bit in the configuration register is not enabled, the SIM also disables the internal clock
generator module outputs (CGMOUT and CGMXCLK).
The CPU and peripheral clocks do not become active until after the stop delay timeout. Stop mode is
exited via an interrupt request from a module that is still active in stop mode or from a system reset.
An interrupt request from a module that is still active in stop mode can cause an exit from stop mode. Stop
recovery time is selectable using the SSREC bit in the configuration register. If SSREC is set, stop
recovery is reduced from the normal delay of 4096 CGMXCLK cycles down to 32. Stacking for interrupts
begins after the selected stop recovery time has elapsed.
When stop mode is exited due to a reset condition, the SIM forces a long stop recovery time of 4096
CGMXCLK cycles.
The SIM counter is held in reset from the execution of the STOP instruction until the beginning of stop
recovery. It is then used to time the recovery period.
Freescale Semiconductor
and
Short stop recovery is ideal for applications using canned oscillators that do
not require long startup times for stop mode. External crystal applications
should use the full stop recovery time by clearing the SSREC bit.
EXITSTOPWAIT
Note: EXITSTOPWAIT = CPU interrupt
CGMXCLK
IDB
IAB
Figure 14-13
IRST
IDB
IAB
$A6
$A6
Figure 14-13. Wait Recovery from Internal Reset
$DE0B
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
$A6
Figure 14-12. Wait Recovery from Interrupt
$DE0B
$A6
show the timing for WAIT recovery.
$A6
$A6
$DE0C
$01
NOTE
$00FF
CYCLES
64
$0B
Figure 14-14
$00FE
$DE
$00FD
shows stop mode entry timing.
RST VCT H RST VCT L
$00FC
Low-Power Modes
165
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