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M32C83T Datasheet(PDF) 245 Page - Renesas Technology Corp

Part # M32C83T
Description  16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES
PDF  527 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M32C83T Datasheet(HTML) 245 Page - Renesas Technology Corp

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Page 222
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16. Serial I/O (Special Function)
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Figure 16.30 SIM Interface Connection
16.7.1 Parity Error Signal
16.7.1.1 Parity Error Signal Output Function
When the UiERE bit in the UiC1 register (i=0 to 4) is set to "1", the parity error signal can be output.
The parity error signal is output when a parity error is detected upon receiving data. TxDi outputs an
"L" signal in the timing shown in Figure 16.31. When reading the UiRB register during a parity error
output, the PER bit in the UiRB register is set to "0" and TxDi again outputs an "H" signal simulta-
neously.
16.7.1.2 Parity Error Signal
To determine whether the parity error signal is output, the port that shares a pin with RxDi is read by
using a transmit complete interrupt routine.
Microcomputer
SIM card
TxDi
RxDi
i=0 to 4
Figure 16.31 Parity Error Signal Output Timing (LSB First)
P
SP
ST
Hi-Z
RxDi
TxDi
Recieve
Complete Flag
"H"
"L"
"H"
"L"
"1"
"0"
NOTES:
1. The above applies to direct format conditions (PRY=1, UFORM=0, UiLCH=0).
D0
D1
D2
D3
D4
D5
D6
D7
ST : Start bit
P : Even parity
SP : Stop bit
i=0 to 4



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