MC9S12NE64V1 Datasheet, PDF (76/554 Pages) Freescale Semiconductor, Inc – MC9S12NE64V1 Data Sheet

Chapter 2 64 Kbyte Flash Module (S12FTS64KV3)
2.3.2.3 RESERVED1
This register is reserved for factory testing and is not accessible.
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-6. RESERVED1
All bits read 0 and are not writable in normal mode.
2.3.2.4 Flash Configuration Register (FCNFG)
The FCNFG register enables the Flash interrupts and gates the security backdoor writes.
7
6
5
4
3
2
1
R
0
0
0
0
CBEIE
CCIE
KEYACC
W
Reset
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-7. Flash Configuration Register (FCNFG)
0
BKSEL
0
CBEIE, CCIE and KEYACC bits are readable and writable while all remaining bits read 0 and are not
writable. KEYACC is only writable if KEYEN (see Section 2.3.2.2) is set to the enabled state.
Field
7
CBEIE
Table 2-8. FCNFG Field Descriptions
Description
Command Buffer Empty Interrupt Enable — The CBEIE bit enables an interrupt in case of an empty command
buffer in the Flash module.
0 Command buffer empty interrupt disabled.
1 An interrupt will be requested whenever the CBEIF flag (see Section 2.3.2.7, “Flash Status Register (FSTAT)”)
is set.
MC9S12NE64 Data Sheet, Rev. 1.1
76
Freescale Semiconductor