Addendum to section 13: timed-access protection, Addendum to section 14: real-time clock, Addendum to section 15: battery backup – Maxim Integrated High-Speed Microcontroller Users Guide: Network Microcontroller Supplement User Manual
Page 129

High-Speed Microcontroller User’s
Guide: Network Microcontroller
Supplement
129
ADDENDUM TO SECTION 13: TIMED-ACCESS PROTECTION
A number of timed-access-protected bits are associated with the new features of the DS80C400. Please consult the High-Speed
Microcontroller User’s Guide for complete information on the use of the timed-access feature.
SFR
BIT(S)
BIT NAME
FUNCTION
EXIF (91h)
EXIF.0
BGS
Bandgap select
P4CNT (92h)
P4CNT.5–0
Port 4 pin configuration control bits
ACON (9Dh)
ACON.5
MROM
Merge ROM assignment
ACON.4
BPME
Breakpoint mode enable
ACON.3
BROM
Bypass ROM
ACON.2
SA
Stack address mode
ACON.1-0
AM1-AM0
Address mode-select bits
P5CNT (A2h)
P5CNT.2-0
Port 5 pin configuration control bits
C0C (A3h)
C0C.3
CRST
CAN 0 reset
P6CNT (B2h)
P6CNT.5–0
Port 6 pin configuration control bits
MCON (C6h)
MCON.7-6
IDM1-IDM0
Internal memory configuration bits
MCON.5
CMA
CAN data memory assignment
MCON.3–0
PDCE3–PDCE0
Program/data chip enables
COR (CEh)
COR.7
IRDACK
IRDA clock output enable
COR.4-3
C0BPR7-C0BPR6
CAN 0 baud-rate prescale bits
COR.2-1
COD1-COD0
CAN clock output divide bits
COR.0
CLKOE
CAN clock output enable
MCON1 (D6h)
MCON1.3–0
PDCE7–PDCE4
Program/data chip enable
MCON2 (D7h)
MCON2.6-4
WPR2-WPR0
Write-protect range bits
MCON2.3–0
WPE3–WPE0
Write-protect enable bits
WDCON (D8h)
WDCON.6
POR
Power-on reset flag
WDCON.3
WDIF
Watchdog interrupt flag
WDCON.1
EWT
Watchdog reset enable
WDCON.0
RWT
Reset watchdog timer
EBS (E5h)
EBS.7
FPE
Flush filter failed-packet enable
EBS.4–0
BS4–BS0
Buffer size configuration bits
ADDENDUM TO SECTION 14: REAL-TIME CLOCK
No changes. Not applicable to the network microcontroller.
ADDENDUM TO SECTION 15: BATTERY BACKUP
No changes. Not applicable to the network microcontroller.
Maxim Integrated