M32CSLASH86 datasheet(320/505 Pages) RENESAS

320 / 505 page

Page 297

22. Intelligent I/O (Communication Function)

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Figure 22.28 G0CMP0 to G0CMP3 Registers and G1CMP0 to G1CMP3 Registers

G0MSK0 and G0MSK1 Registers, G1MSK0 and G1MSK1 Registers

G0TCRC and G1TCRC Registers, G0RCRC and G1RCRC Registers

Data Compare Register ij (i=0,1, j=0 to 3)

Symbol

Address

After Reset

G0CMP0 to G0CMP3

00F016, 00F116, 00F216, 00F316

Indeterminate

G1CMP0 to G1CMP3

013016, 013116, 013216, 013316

Indeterminate

Function

Setting Range

Data to be compared

0016 to FF16

NOTES:

1. Set the GiMSK0 register to use the GiCMP0 register.

Set the GiMSK1 register to use the GiCMP1 register.

Data Mask Register ij (i=0,1, j=0,1)

Symbol

Address

After Reset

G0MSK0, G0MSK1

00F416, 00F516

Indeterminate

G1MSK0, G1MSK1

013416, 013516

Indeterminate

Function

Setting Range

Masked data for received data

Set incomparable bit to "1"

0016 to FF16

Transmit CRC Code Register i (i=0,1)

Symbol

Address

After Reset

G0TCRC, G1TCRC

00FB16-00FA16, 013B16-013A16

000016

Function

Result of the transmit CRC calculation(1, 2)

b15

NOTES:

1. The calculated result is reset by setting the TE bit in the GiCR register to "0" (transmit disabled).

The CRCV bit in the GiEMR register selects a default value.

2. Transmit CRC calculation is performed with each bit of data transmitted while the TCRCE bit in

the GiETC register is set to "1" (used).

Receive CRC Code Register i (i=0,1)

Symbol

Address

After Reset

G0RCRC, G1RCRC

00F916-00F816, 013916-013816

Indeterminate

Function

Result of the receive CRC calculation(1, 2, 3)

b15

NOTES:

1. The calculated result is reset by setting the RCRCE bit in the GiERC register to "0" (not used).

If the ACRC bit in the GiEMR register is set to "1" (reset), the result is reset by matching data in the

GiCMPj register (j=0 to 3) with the received data.

2. The result is reset to the default value selected by the CRCV bit in the GiEMR register before

reception starts.

3. Receive CRC calculation is performed with every bit of data received while the RCRCE bit in the

GiERC register is set to "1" (used).

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