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RM48L940 Arkusz danych(PDF) 84 Page - Texas Instruments

Numer części RM48L940
Szczegółowy opis  RM48Lx40 16- and 32-Bit RISC Flash Microcontroller
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

RM48L940 Arkusz danych(HTML) 84 Page - Texas Instruments

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RM48L940, RM48L740, RM48L540
SPNS175C – APRIL 2012 – REVISED JUNE 2015
www.ti.com
6.13 On-Chip SRAM Initialization and Testing
6.13.1 On-Chip SRAM Self-Test Using PBIST
6.13.1.1 Features
Extensive instruction set to support various memory test algorithms
ROM-based algorithms allow application to run TI production-level memory tests
Independent testing of all on-chip SRAM
6.13.1.2 PBIST RAM Groups
Table 6-25. PBIST RAM Grouping
TEST PATTERN (ALGORITHM)
MARCH 13N(1)
MARCH 13N(1)
TRIPLE READ
TRIPLE READ
TWO PORT
SINGLE PORT
MEMORY
RAM GROUP
TEST CLOCK
MEM TYPE
SLOW READ
FAST READ
(CYCLES)
(CYCLES)
ALGO MASK
ALGO MASK
ALGO MASK
ALGO MASK
0x1
0x2
0x4
0x8
PBIST_ROM
1
ROM CLK
ROM
24578
8194
STC_ROM
2
ROM CLK
ROM
19586
6530
DCAN1
3
VCLK
Dual Port
25200
DCAN2
4
VCLK
Dual Port
25200
DCAN3
5
VCLK
Dual Port
25200
ESRAM1(2)
6
HCLK
Single Port
266280
MIBSPI1
7
VCLK
Dual Port
33440
MIBSPI3
8
VCLK
Dual Port
33440
MIBSPI5
9
VCLK
Dual Port
33440
VIM
10
VCLK
Dual Port
12560
MIBADC1
11
VCLK
Dual Port
4200
DMA
12
HCLK
Dual Port
18960
N2HET1
13
VCLK
Dual Port
31680
HTU1
14
VCLK
Dual Port
6480
RTP
15
HCLK
Dual Port
37800
MIBADC2
18
VCLK
Dual Port
4200
N2HET2
19
VCLK
Dual Port
31680
HTU2
20
VCLK
Dual Port
6480
ESRAM5(3)
21
HCLK
Single Port
266280
ESRAM6(4)
22
HCLK
Single Port
266280
23
8700
Dual Port
ETHERNET
24
VCLK3
6360
25
Single Port
133160
ESRAM8(5)
28
HCLK
Single Port
266280
(1)
There are several memory testing algorithms stored in the PBIST ROM. However, TI recommends the March13N algorithm for
application testing.
(2)
ESRAM1: Address 0x08000000 - 0x0800FFFF (Always on power domain)
(3)
ESRAM5: Address 0x08010000 - 0x0801FFFF (RAM power domain 1)
(4)
ESRAM6: Address 0x08020000 - 0x0802FFFF (RAM power domain 2)
(5)
ESRAM8: Address 0x08030000 - 0x0803FFFF (RAM power domain 3) Not available on theRM48L540 device.
The PBIST ROM clock frequency is limited to 100 MHz, if 100 MHz < HCLK <= HCLKmax, or HCLK, if
HCLK <= 100 MHz.
The PBIST ROM clock is divided down from HCLK. The divider is selected by programming the ROM_DIV
field of the Memory Self-Test Global Control Register (MSTGCR) at address 0xFFFFFF58.
84
System Information and Electrical Specifications
Copyright © 2012–2015, Texas Instruments Incorporated
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