Datasheet
Chapter 3 Modes of Operation
MC9S08DZ128 Series Data Sheet, Rev. 1
Freescale Semiconductor 43
clocks to the peripheral systems are halted to reduce power consumption. Refer to Section 3.6.1, “Stop3
Mode
” and Section 3.6.1, “Stop3 Mode” for specific information on system behavior in stop modes.
Table 3-2. Stop Mode Behavior
Peripheral
Mode
Stop2 Stop3
CPU Off Standby
RAM Standby Standby
FLASH/EEPROM Off Standby
Parallel Port Registers Off Standby
ACMP Off Optionally On
1
1
Requires the LVD to be enabled, else in standby.
ADC Off Optionally On
2
2
Requires the asynchronous ADC clock and LVD to be enabled, else in standby.
IIC Off Standby
MCG Off Optionally On
3
3
IRCLKEN and IREFSTEN set in MCGC1, else in standby.
MSCAN Off Standby
RTC Optionally On
4
4
Requires the RTC to be enabled, else in standby.
Optionally On
4
SCI Off Standby
SPI Off Standby
TPM Off Standby
Voltage Regulator Optionally On
5
5
Requires the LVD or BDC to be enabled.
Optionally On
5
XOSC Off Optionally On
6
6
ERCLKEN and EREFSTEN set in MCGC2 for, else in standby. For high frequency
range (RANGE in MCGC2 set) requires the LVD to also be enabled in stop3.
I/O Pins States Held States Held
