MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 1085
MC9S12G
Manufacturer Part Number
MC9S12G
Description
Ignores external trigger. Performs one conversion sequence and stops.
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12G.pdf
(1160 pages)
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A.2.1
This section describes the current consumption characteristics of the device as well as the conditions for
the measurements.
A.2.1.1
Run current is measured on VDDR pin. It does not include the current to drive external loads. Unless
otherwise noted the currents are measured in special single chip mode and the CPU code is executed from
RAM. For Run and Wait current measurements PLL is on and the reference clock is the IRC1M trimmed
to 1MHz. The bus frequency is 25MHz and the CPU frequency is 50MHz. Table A-8., Table A-9. and
Table A-10. show the configuration of the CPMU module and the peripherals for Run, Wait and Stop
current measurement.
Freescale Semiconductor
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
Supply Currents
Table A-9. CPMU Configuration for Run/Wait and Full Stop Current Measurement
Measurement Conditions
CPMU REGISTER
CPMU REGISTER
CPMUAPIRH/RL
CPMUPOSTDIV
CPMUAPICTL
CPMUAPITR
CPMUSYNR
Table A-8. CPMU Configuration for Pseudo Stop Current Measurement
CPMUCLKS
CPMUCLKS
CPMUOSC
CPMUCOP
CPMUOSC
CPMURTI
API settings for STOP current measurement
MC9S12G Family Reference Manual, Rev.1.01
PLLSEL=0, PSTP=1,
PRE=PCE=RTIOSCSEL=COPOSCSEL=1
OSCE=1, External Square wave on EXTAL f
V
RTDEC=0, RTR[6:4]=111, RTR[3:0]=1111;
WCOP=1, CR[2:0]=111
VCOFRQ[1:0]=01,SYNDIV[5:0] = 24
POSTDIV[4:0]=0
PLLSEL=1
OSCE=0,
Reference clock for PLL is f
APIEA=0, APIFE=1, APIE=0
trimmed to 10Khz
set to $FFFF
IH
= 1.8V, V
IL
=0V
Bit settings/Conditions
Bit settings/Conditions
ref
=f
irc1m
trimmed to 1MHz
EXTAL
=4MHz,
Electrical Characteristics
1085
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