Chapter 9 XGATE (S12XGATEV2)
MC9S12XDP512 Data Sheet, Rev. 2.11
388 Freescale Semiconductor
9.3.2.8 XGATE Program Counter Register (XGPC)
The XGPC register (Figure 9-10) provides access to the RISC core’s program counter.
Read: In debug mode if unsecured
Write: In debug mode if unsecured
9.3.2.9 XGATE Register 1 (XGR1)
The XGR1 register (Figure 9-12) provides access to the RISC core’s register 1.
Read: In debug mode if unsecured
Write: In debug mode if unsecured
Module Base +0x0001E
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RXGPC
W
Reset 0 0 0 0000000000000
Figure 9-10. XGATE Program Counter Register (XGPC)
Figure 9-11.
Table 9-9. XGPC Field Descriptions
Field Description
15–0
XGPC[15:0]
Program Counter — The RISC core’s program counter
Module Base +0x00022
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RXGR1
W
Reset 0 0 0 0000000000000
Figure 9-12. XGATE Register 1 (XGR1)
Table 9-10. XGR1 Field Descriptions
Field Description
15–0
XGR1[15:0]
XGATE Register 1 — The RISC core’s register 1