参数资料
型号: ADUC7033BSTZ-88-RL
厂商: Analog Devices Inc
文件页数: 121/140页
文件大小: 0K
描述: IC BATT SENSOR PREC 48LQFP
标准包装: 2,000
功能: 电池监控器
电源电压: 3.5 V ~ 18 V
工作温度: -40°C ~ 115°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)

ADuC7033
LIN (LOCAL INTERCONNECT NETWORK) INTERFACE
The ADuC7033 features high voltage physical interfaces
between the ARM7 MCU core and an external LIN bus. The
LIN interface operates as a slave only interface, operating from
1 kBaud to 20 kBaud, and it is compatible with the LIN 2.0
standard. The pull-up resistor required for a slave node is on-
chip, reducing the need for external circuitry. The LIN protocol
is emulated using the on-chip UART, an IRQ, a dedicated LIN
LIN MMR DESCRIPTION
The LIN hardware synchronization (LHS) functionality is
controlled through five MMRs. The function of each MMR is as
follows:
Table 92. LIN MMR Descriptions
MMR
timer, and the high voltage transceiver (also incorporated on-
chip) as shown in Figure 4 . The LIN is clocked from the low
power oscillator for the break timer, and a 5 MHz output from
the PLL is used for the synchronous byte timing.
Name
LHSSTA
LHSCON0
LHSCON1
LHSVAL0
LHSVAL1
Description
LHS Status Register. This MMR contains information
flags that describe the current status on the
interface.
LHS Control Register 0. This MMR controls the
configuration of the LHS timer.
LHS Start and Stop Edge Control Register. Dictates
which edge of the LIN synchronization byte the
LHS starts/stops counting.
LHS Synchronization 16-Bit Timer. Controlled by
LHSCON0.
LHS Break Timer Register.
LHS INTERRUPT
IRQEN[7]
LHS
INTERRUPT
LOGIC
FOUR LIN
INTERRUPT
SOURCES
BREAK LHSSTA[0]
ADuC7033
LHS
HARDWARE
START LHSSTA[1]
STOP LHSSTA[2]
BREAK
ERROR LHSSTA[4]
VDD
LIN ENABLE
(INTERNAL
VDD
MASTER ECU
5MHz
LHSVAL0
PULL-UP)
HVCFG0[5]
PROTECTION
DIODE
131kHz
LHSVAL1
RxD ENABLE
LHSCON0[8]
INPUT
VOLTAGE
THRESHOLD
REFERENCE
EXTERNAL
LIN PIN
MASTER ECU
PULL-UP
GPIO_12
RxD
ADuC7033
UART
TxD
LIN MODE
HVCFG0[1:0]
OVER
VOLTAGE
PROTECTION
SCR
C LOAD
GP2DAT[29]
AND
GP2DAT[21]
GPIO12
FUNCTION
SELECT
GP2CON[20]
OUTPUT
DISABLE
BPF
INTERNAL
SHORT-CIRCUIT
SHORT-CIRCUIT
CONTROL
HVCFG1[2]
INTERNAL
SENSE
RESISTOR
SHORT-CIRCUIT
TRIP REFERENCE
Figure 45. LIN I/O, Block Diagram
Rev. B | Page 121 of 140
IO_VSS
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