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| XC161 Datasheet, PDF (225/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units | |||
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XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
IIC-Bus Module
IIC_ST
Status Register
XSFR (E604H/--)
Reset Value: 0000H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
-----
-----
CO
IRQ IRQ
EP
IRQ
D
BB
LRB SLA
AL
ADR
rh
rwh rwh rwh rh rh rh rwh rh
Field
CO
IRQE
IRQP
IRQD
BB
Bits
[10:8]
7
6
5
4
Type
rh
rwh
rwh
rwh
rh
Description
Transmit Byte Counter
Displays the number of correctly transferred bytes.
See Section 20.3.4 for details.
000 0 bytes
001 1 byte
010 2 bytes
011 3 bytes
100 4 bytes
1xx Reserved
End-of-Data-Transmission Interrupt Req. Flag
0 No interrupt request pending
1 An End-Of-Data-Transmission interrupt
request is pending
See Section 20.4 for details.
Protocol Event Interrupt Request Flag
0 No interrupt request pending
1 A Protocol Event interrupt request is pending
See Section 20.4 for details.
Data Transfer Event Interrupt Request Flag
0 No interrupt request pending
1 A Data Transfer Event interrupt request is
pending
See Section 20.4 for details.
Bus Busy Flag
0 The IIC-Bus is idle
1 The IIC-Bus is busy
Note: Bit BB is always 0 while the IIC module is
disabled.
Userâs Manual
IIC_X, V2.0
20-7
V2.2, 2004-01
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