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MB86R02 'Jade-D' Hardware Manual V1.64
Bit field
No.
Name
12-8
DLN4-0
7-6
–
5
SMOD
4
SAUT
3-2
–
1-0
SSP1-0
Data length of transmission/reception serial data is specified in the range of 1 ~ 32 bit.
00000 1 bit (initial value)
00001 2 bit
00010 3 bit
:
:
11101 30 bit
11110 31 bit
11111 32 bit
Unused bits.
The write access is ignored. The read value of these bits is always "0".
Operation mode of slave selection is specified. Slave selection signal is output to
SPI_SS pin.
0 Selection mode (always active while communication) (initial value)
1 Pulse mode (after communicating, this becomes active)
Operation timing of slave selection is specified according to the combination of SMOD
bit.
Slave selection synchronizes with SSP bit's setting value regardless of
0
SMOD (see Figure 30-6) (initial value)
1SCK of wait is added from SPI data register (SPIDR) writing to serial data
1
transmission, and from the last data transmission to asserting/negating salve
selection (see Figure 30-7)
Unused bits.
The write access is ignored. The read value of these bits is always "0".
Slave selection pin to be active is specified.
00 Slave selection pin becomes non-active (initial value)
01 SPI_SS pin becomes active
10 Reserved (setting prohibited)
11 Reserved (setting prohibited)
Description
30-9
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