參數(shù)資料
型號： XRM48L950ZWTT
廠商： Texas Instruments
文件頁數(shù)： 7/176頁
文件大?。?/td> 0K
描述： MCU 16/32Bit FLASH 3MB 337NFBGA
標(biāo)準(zhǔn)包裝： 1
系列： Hercules™ ARM® RM4x
應(yīng)用： 工業(yè)安全，醫(yī)療
核心處理器： ARM? Cortex? - R4F
程序存儲器類型： 閃存（3MB）
控制器系列： RM4
RAM 容量： 256K x 8
接口： CAN，以太網(wǎng)，I²C，LIN，MibSPI，SCI，SPI，USB
輸入/輸出數(shù)： 120
電源電壓： 1.14 V ~ 3.6 V
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 337-LFBGA
包裝： 托盤
供應(yīng)商設(shè)備封裝： 337-NFBGA（16x16）
其它名稱： 296-29390
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
4.18 Error Signaling Module
The Error Signaling Module (ESM) manages the various error conditions on the RM4x microcontroller. The
error condition is handled based on a fixed severity level assigned to it. Any severe error condition can be
configured to drive a low level on a dedicated device terminal called nERROR. This can be used as an
indicator to an external monitor circuit to put the system into a safe state.
4.18.1 Features
The features of the Error Signaling Module are:
128 interrupt/error channels are supported, divided into 3 different groups
–
64 channels with maskable interrupt and configurable error pin behavior
–
32 error channels with non-maskable interrupt and predefined error pin behavior
–
32 channels with predefined error pin behavior only
Error pin to signal severe device failure
Configurable timebase for error signal
Error forcing capability
4.18.2 ESM Channel Assignments
The Error Signaling Module (ESM) integrates all the device error conditions and groups them in the order
of severity. Group1 is used for errors of the lowest severity while Group3 is used for errors of the highest
severity. The device response to each error is determined by the severity group it is connected to.
Table 4-35 shows the channel assignment for each group.
Table 4-34. ESM Groups
ERROR GROUP
INTERRUPT CHARACTERISTICS
INFLUENCE ON ERROR PIN
Group1
maskable, low or high priority
configurable
Group2
non-maskable, high priority
fixed
Group3
no interrupt generated
fixed
Table 4-35. ESM Channel Assignments
ERROR SOURCES
GROUP
CHANNELS
Reserved
Group1
0
MibADC2 - parity
Group1
1
DMA - MPU
Group1
2
DMA - parity
Group1
3
Reserved
Group1
4
DMA/DMM - imprecise read error
Group1
5
FMC - correctable error: bus1 and bus2 interfaces
Group1
6
(does not include accesses to EEPROM bank)
N2HET1/N2HET2 - parity
Group1
7
HTU1/HTU2 - parity
Group1
8
HTU1/HTU2 - MPU
Group1
9
PLL - Slip
Group1
10
Clock Monitor - interrupt
Group1
11
Reserved
Group1
12
DMA/DMM - imprecise write error
Group1
13
Reserved
Group1
14
VIM RAM - parity
Group1
15
Reserved
Group1
16
MibSPI1 - parity
Group1
17
104
System Information and Electrical Specifications
Copyright 2012–2013, Texas Instruments Incorporated
Product Folder Links: RM48L950 RM48L750 RM48L550
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