S912XHZ512F1VAG Datasheet, PDF (225/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 5 XGATE (S12XGATEV2)
5.3.1.8 XGATE Program Counter Register (XGPC)
The XGPC register (Figure 5-10) provides access to the RISC core’s program counter.
Module Base +0x0001E
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
XGPC
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 5-10. XGATE Program Counter Register (XGPC)
Figure 5-11.
Read: In debug mode if unsecured
Write: In debug mode if unsecured
Table 5-8. XGPC Field Descriptions
Field
Description
15–0
Program Counter — The RISC core’s program counter
XGPC[15:0]
5.3.1.9 XGATE Register 1 (XGR1)
The XGR1 register (Figure 5-12) provides access to the RISC core’s register 1.
Module Base +0x00022
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
XGR1
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 5-12. XGATE Register 1 (XGR1)
Read: In debug mode if unsecured
Write: In debug mode if unsecured
Table 5-9. XGR1 Field Descriptions
Field
Description
15–0
XGATE Register 1 — The RISC core’s register 1
XGR1[15:0]
MC9S12XHZ512 Data Sheet, Rev. 1.06
Freescale Semiconductor
225