SAP51D-A-G1-R datasheet(24/67 Pages) RENESAS

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SAP51 / SAP5S Datasheet

January 28, 2016

Internal

EEPROM

Address

EEPROM Cell Content

Programming Master Calls

P2_Sync_Activation

Set Control Code 2 (RES) master call

1 + DEXG/WPAR master call 2

Ext_Addr_4I/4O_Mode

Parallel_Out_4I/4O

Master_Mode

P0_Watchdog_Activation

Analog circuitry trim

information

Accessible by IDT only

According to Table 3.3.

According to Table 3.2 with information bits corresponding to the left column; DEXG if I4 = ‘0’, WPAR if I4 = ‘1’. Note: In contrast to

regular WPAR/DEXG calls, the slave always returns the received data bits I3 to I0 for these master calls.

4.4.

Safety Area Programming (SAP5S only)

The Safety Area contains the cryptographic code table, which consists of 8 data words and one swap-flag each

(refer to section 5.18 for an explanation of the SAP5 Safety Mode). Similar to the Firmware Area, it can be

protected against undesired data modification by setting the Safety_Program_Mode_Disable flag; see address 31

in Table 4.4.

NOTE: Once the Safety_Program_Mode_Disable flag is set, the Safety Area of the EEPROM is permanently

locked; i.e., write access to the Safety Area as described in Table 4.4 is possible only as long as the

Safety_Program_Mode_Disable flag is not set.

Table 4.4

SAP5 EEPROM – Safety Area Content

Logical

EEPROM

Address

Bit

Position

EEPROM Cell Content

Description

S_flag_0

Swap-flag 0

3 to 0

DI_S0 [3:0]

Data Input word 0 from Safety Code Table

S_flag_1

Swap-flag 1

3 to 0

DI_S1 [3:0]

Data Input word 1 from Safety Code Table

S_flag_2

Swap-flag 2

3 to 0

DI_S2 [3:0]

Data Input word 2 from Safety Code Table

S_flag_3

Swap-flag 3

3 to 0

DI_S3 [3:0]

Data Input word 3 from Safety Code Table

S_flag_4

Swap-flag 4

3 to 0

DI_S4 [3:0]

Data Input word 4 from Safety Code Table

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