参数资料
型号: M30240M5-XXXFP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80
封装: 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 138/139页
文件大小: 1453K
代理商: M30240M5-XXXFP
98
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Specifications REV. G
Specifications in this manual are tentative and subject to change
UART0 to UART2
1.2.23.3.1 Function for outputting a parity error signal
With the error signal output enable bit (bit 7 of address 037D16) assigned “1”, you can output an “L” level from
the TxD2 pin when a parity error is detected. In step with this function, the generation timing of a transmission
completion interrupt changes to the detection timing of a parity error signal. Figure 1.93 shows the output tim-
ing of the parity error signal.
Figure 1.93: Output timing of the parity error signal
1.2.23.3.2 Direct format/inverse format
Connecting the SIM card allows you to switch between direct format and inverse format. If you choose the
direct format, D0 data is output from TxD2. If you choose the inverse format, D7 data is inverted and output
from TxD2.
Figure 1.94 shows the SIM interface format.
Figure 1.94: SIM interface format
Figure 1.95 shows the example of connecting the SIM interface with TxD2 and RxD2.
Figure 1.95: Connecting the SIM interface
ST : Start bit
P : Even Parity
D0
D1
D2
D3
D4
D5
D6
D7
P
SP
ST
Hi-Z
Transfer
clock
RxD2
TxD2
Receive
complete flag
“H”
“L”
“H”
“L”
“H”
“L”
“1”
LSB first
“0”
SP: Stop bit
P : Even parity
D0
D1
D2
D3
D4
D5
D6
D7
P
Transfer
clock
TxD2
(direct)
TxD2
(inverse)
D7
D6
D5
D4
D3
D2
D1
D0
P
Microcomputer
SIM card
TxD2
RxD2
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