MC68HC812A4 Datasheet, PDF (318/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

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17.5.3 BDM Shift Register
Address: $FF02
Bit 7
6
5
4
3
2
1
Bit 0
Read:
S15
S14
S13
S12
S11
S10
S9
S8
Write:
Reset: 0
0
0
0
0
0
0
0
Address: $FF03
Bit 7
6
5
4
3
2
1
Bit 0
Read:
S7
S6
S5
S4
S3
S2
S1
S0
Write:
Reset: 0
0
0
0
0
0
0
0
Figure 17-7. BDM Shift Register (SHIFTER)
This 16-bit register contains data being received or transmitted via the
serial interface.
17.5.4 BDM Address Register
Address: $FF04
Bit 7
6
5
4
3
2
1
Bit 0
Read:
A15
A14
A13
A12
A11
A10
A9
A8
Write:
Reset: 0
0
0
0
0
0
0
0
Address: $FF05
Bit 7
6
5
4
3
2
1
Bit 0
Read:
A7
A6
A5
A4
A3
A2
A1
A0
Write:
Reset: 0
0
0
0
0
0
0
0
Figure 17-8. BDM Address Register (ADDRESS)
This 16-bit register is temporary storage for BDM hardware and firmware
commands.
MC68HC812A4 — Rev. 3.0
318
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