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RM0345
Reset and configuration signals
Doc ID 024080 Rev 3
11/38
3
Reset and configuration signals
Calibration and debug tools may use the reset signals included in the connectors to have
visibility of when the SPC563M64xx device has been reset. Debug tools may also require
the ability to force device reset.
All signals of the SPC563M64xx QFP144 footprint from the application board are directly
connected to the respective calibration device signals. This includes the following signals on
the
.
Table 3.
Reset and configuration signals
Signal name
Function
Notes
Reset / Configuration (5)
/RESET
External reset input
The /RESET pin is an active low input. The
RESET pin is asserted by an external device
during a power-on or external reset. The
internal reset signal asserts only if the RESET
pin asserts for 10 clock cycles. Assertion of
the RESET pin while the device is in reset
causes the reset cycle to start over.
/RSTOUT
External reset output
The RSTOUT pin is an active low output that
uses a push/pull configuration. The RSTOUT
pin is driven to the low state by the MCU for all
internal and external reset sources. There is a
delay between initiation of the reset and the
assertion of the RSTOUT pin.
BOOTCFG[1]
Boot configuration input
The BOOTCFG field holds the value of the
BOOTCFG[1] pin that was latched on the last
negation of the RSTOUT pin. The BOOTCFG
field is used by the BAM program to
determine the location of the Reset
Configuration Word.
PLLREF
FMPLL Mode Selection
PLLREF is used to select whether the
oscillator operates in xtal mode or external
reference mode from reset.
If RSTCFG is 0, External reference clock
selected.
If RSTCFG is 1, Xtal oscillator mode is
selected
WKPCFG
Weak Pull Configuration
The signal on the WKPCFG pin determines
whether weak pull up or pull down devices are
enabled after reset on the eTPU and eMIOS
pins.
0: Weak pulldown applied to eTPU and
eMIOS pins at reset
1: Weak pullup applied to eTPU and eMIOS
pins at reset.
Содержание SPC563M64CAL144
Страница 3: ...RM0345 Contents Doc ID 024080 Rev 3 3 38 Revision history 37...
Страница 31: ...RM0345 Mechanical constrains Doc ID 024080 Rev 3 31 38 Figure 15 Side and bottom view drawing 3LQ 8QLWV PP 3 5...
Страница 32: ...Mechanical constrains RM0345 32 38 Doc ID 024080 Rev 3 Figure 16 Complete system side view drawing 3 5 8QLWV PP...