参数资料
型号: ADUC7034BCPZ-RL
厂商: Analog Devices Inc
文件页数: 18/136页
文件大小: 0K
描述: IC MCU FLASH 32K ANLG IO 48LFCSP
标准包装: 2,500
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 20.48MHz
连通性: LIN,SPI,UART/USART
外围设备: POR,PSM,温度传感器,WDT
输入/输出数: 9
程序存储器容量: 32KB(16K x 16)
程序存储器类型: 闪存
RAM 容量: 1K x 32
电压 - 电源 (Vcc/Vdd): 3.5 V ~ 18 V
数据转换器: A/D 2x16b
振荡器型: 内部
工作温度: -40°C ~ 115°C
封装/外壳: 48-VFQFN 裸露焊盘,CSP
包装: 带卷 (TR)
ADuC7034
Rev. B | Page 114 of 136
N MMR is ignored.
est Inte
0 Register
ame:
STIDAT0
88C
alue:
Function:
itted
d the second byte
est Inte
1 Register
890
alue:
Function:
rt
ted
d the fourth byte
est Inte
2 Register
894
alue:
Function:
n the
[7:0], and the sixth
byte occupies Bits[15:8].
SERIAL TEST INTERFACE
The ADuC7034 incorporates single-pin serial test interface
(STI) ports that can be used for end-customer evaluation or
diagnostics of finished production units.
The STI port transmits from 1 to 6 bytes of data in 12-bit packets.
As shown in Figure 43, each transmission packet includes a
start bit, the transmitted byte (eight bits), a parity bit, and two
stop bits. The STI data is transmitted on the STI pin, and the
baud rate is determined by the overflow rate of Timer4.
The STI port is configured and controlled via six MMRs.
STIKEY0: Serial Test Interface Key 0
STIKEY1: Serial Test Interface Key 1
STIDAT0: Data0 (16-bit) holds two bytes
STIDAT1: Data1 (16-bit) holds two bytes
STIDAT2: Data2 (16-bit) holds two bytes
STICON: Controls the serial test interface
SERIAL TEST INTERFACE REGISTERS
Serial Test Interface Key0 Register
Name:
STIKEY0
Address:
0xFFFF0880
Access:
Write only
Function:
The STIKEY0 MMR is used in conjunction with
the STIKEY1 MMR to protect the STICON MMR.
STIKEY0 must be written with 0x0007 immediately
before any attempt is made to write to STICON.
STIKEY1 must be written with 0x00B9 immediately
after STICON is written to ensure that the STICON
write sequence has completed successfully. If
STIKEY0 is not written, is written out of sequence,
or is written incorrectly, any subsequent write to
the STICON MMR is ignored.
Serial Test Interface Key1 Register
Name:
STIKEY1
Address:
0xFFFF0888
Access:
Write only
Function:
The STIKEY1 MMR is used in conjunction with
the STIKEY0 MMR to protect the STICON MMR.
STIKEY1 must be written with 0x00B9
immediately after any attempt is made to write to
STICON. STIKEY0 must be written with 0x0007
immediately before STICON is written to ensure that
the STICON write sequence has completed
successfully. If STIKEY1 is not written, is written
out of sequence, or is written incorrectly, any
previous write to the STICO
Serial T
rface Data
N
Address:
0xFFFF0
Default V
0x0000
Access:
Read/write
The STIDAT0 MMR is a 16-bit register that
holds the first and second data bytes that are to
be transmitted on the STI pin as soon as the STI
port is enabled. The first byte to be transm
occupies Bits[7:0], an
occupies Bits[15:8].
Serial T
rface Data
Name:
STIDAT1
Address:
0xFFFF0
Default V
0x0000
Access:
Read/write
The STIDAT1 MMR is a 16-bit register that
holds the third and fourth data bytes that are to
be transmitted on the STI pin when the STI po
is enabled. The third byte to be transmit
occupies Bits[7:0], an
occupies Bits[15:8].
Serial T
rface Data
Name:
STIDAT2
Address:
0xFFFF0
Default V
0x0000
Access:
Read/write
The STIDAT2 MMR is a 16-bit register that is
used to hold the fifth and sixth data bytes that
are to be transmitted on the STI pin whe
STI port is enabled. The fifth byte to be
transmitted occupies Bits
PARITY BIT
START BIT
STI BYTE0
STI BYTE1
STI BYTE2
PARITY BIT
WITH TWO STOP BITS
07
11
6-
03
9
Figure 43. Serial ADC Test Interface Example, 3-Byte Transmission
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