M32CSLASH86 datasheet(313/505 Pages) RENESAS

313 / 505 page

Page 290

22. Intelligent I/O (Communication Function)

)

(

Figure 22.20 G0CR and G1CR Registers, G0RB and G1RB Registers

SI/O Communication Control Register i (i=0, 1)

Symbol

Address

After Reset

G0CR, G1CR

00EF16, 012F16

0000 X0112

Bit Name

Function

Bit

Symbol

Nothing is assigned. When write, set to "0".

When read, its contents is indeterminate.

TXEPT

(b3)

Transmit Buffer

Empty Flag

IPOL

OPOL

Receive Complete

Flag

Transmit Enable Bit

Receive Enable Bit

ISRxD Input Polarity

Switch Bit

ISTxD Output Polarity

Switch Bit

0 : No data in the GiRB register

1 : Data in the GiRB register

0 : Transmit disable

1 : Transmit enable

0 : No inverse

1 : Inverse(1)

Transmit Register

Empty Flag

0 : Data in the GiTB register

1 : No data in the GiTB register

0 : Data in the transmit register

(during transmission)

1 : No data in the transmit register

(transmit completed)

0 : No inverse

1 : Inverse(1)

NOTES:

1. Set this bit to "1" when using UART mode.

0 : Receive disable

1 : Receive enable

Function

SI/O Receive Buffer Register i (i=0, 1)

Bit Name

Bit

Symbol

Address

After Reset

G0RB, G1RB

00E916-00E816, 012916-012816

X000 XXXX XXXX XXXX2

FER

Received data

OER

(b7 - b0)

(b11 - b8)

(b15)

0 : No overrun error

1 : Overrun error found

Nothing is assigned.

When read, its content is indeterminate.

Nothing is assigned.

When read, its content is indeterminate.

Framing Error Flag(1)

0 : No framing error

1 : Framing error found

Overrun Error Flag

b15

NOTES:

1. Nothing is assigned in the FER and PER bits in the G0RB register.

When read, its content is indeterminate.

PER

Parity Error Flag(1)

0 : No parity error

1 : Parity error found

M32C/86 Datasheet(PDF) 313 Page - Renesas Technology Corp

M32C/86 Datasheet(HTML) 313 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL