MC912D60ACPV8 Freescale Semiconductor, MC912D60ACPV8 Datasheet - Page 388
MC912D60ACPV8
Manufacturer Part Number
MC912D60ACPV8
Description
IC MCU 6K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MC912D60ACFUE8.pdf
(460 pages)
Specifications of MC912D60ACPV8
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, MI Bus, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
68
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Development Support
19.4.5.1 STATUS
STATUS— BDM Status Register
Technical Data
388
RESET:
RESET:
1. ENBDM is set to 1 by the firmware in Special Single Chip mode.
(NOTE 1)
ENBDM
BIT 7
0
0
BDMACT
6
1
0
The only registers of interest to users are the STATUS register and the
CCRSAV register. The other BDM registers are only used by the BDM
firmware to execute commands. The registers are accessed by means
of the hardware READ_BD and WRITE_BD commands, but should not
be written during BDM operation (except the CCRSAV register which
could be written to modify the CCR value).
The STATUS register is read and written by the BDM hardware as a
result of serial data shifted in on the BKGD pin.
Read: all modes.
Write: Bits 3 through 5, and bit 7 are writable in all modes. Bit 6,
BDMACT, can only be written if bit 7 H/F in the INSTRUCTION register
is a zero. Bit 2, CLKSW, can only be written if bit 7 H/F in the
INSTRUCTION register is a one. A user would never write ones to bits
3 through 5 because these bits are only used by BDM firmware.
ENBDM — Enable BDM (permit active background debug mode)
•
•
(1)
ENTAG
0 = BDM cannot be made active (hardware commands still
1 = BDM can be made active to allow firmware commands.
The ADDRESS register is temporary storage for BDM commands.
The CCRSAV register preserves the content of the CPU12 CCR
while BDM is active.
5
0
0
allowed).
Development Support
SDV
4
0
0
TRACE
3
0
0
CLKSW
2
0
0
1
0
0
-
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
BIT 0
0
0
-
Special Sin-
& Periph
gle Chip
All other
modes
$FF01
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