ZAMC4100GA2R datasheet(124/156 Pages) RENESAS

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ZAMC4100 Datasheet

124

January 26, 2016

Table 4.7

SYS_MEMINFO

ADD: 0x4000_0008

Bit

Name

Ext.

Access

Int.

Access

Reset

Value

Description

7 : 0

PROGSTART

R / W

0xFF

This register represents the first page where the program

section inside the FLASH starts. This value is read from

FLASH during the power-up phase and is updated by

some flash commands.

Note: To determine the correct FLASH address offset,

seven "0" must be appended.

15 : 8

LOGSTART

R / W

0xFF

This register represents the first page where the log

section inside the FLASH starts. This value is read from

the FLASH during the power-up phase and is updated by

some FLASH commands.

Note: To determine the correct FLASH address offset,

seven "0" must be appended.

26 : 16

RAMSPLIT

R / W

0x7FF

This register represents the first RAM word that is

accessible by JTAG although the memory is locked. This

value is read from FLASH during the power-up phase and

is updated by some FLASH commands.

Note: To determine the correct RAM address offset, two

"0" must be appended.

---

Unused; always read as 0.

31 : 28

PROTINFO

R / W

0xF

This register represents the memory protection scheme.

This value is read from FLASH during the power-up

phase and is updated by some FLASH commands.

[0]: key-based lock

[1]: permanent lock

[3:2]: number of failed unlock attempts

Table 4.8

SYS_RSTSTAT

ADD: 0x4000_000C

Bit

NAME

Ext.

Access

Int.

Access

Reset

Value

Description

EXTRST

---

This bit reflects if an external reset has occurred. It is cleared

when the register is read.

SYSRSTREQ

This bit reflects if a reset forced by a system reset request

has occurred. It is cleared when the register is read.

LOCKUPRST

This bit reflects if a reset was forced by a detected lockup

when this reset was enabled. It is cleared when the register is

read.

JTAGRST

This bit reflects if a reset that was forced by a JTAG reset

request has occurred. It is cleared when the register is read.

6 : 4

---

Unused; always read as 0.

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