ez80l92 ZiLOG Semiconductor, ez80l92 Datasheet - Page 141

• Manufacturer Part Number: ez80l92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS013014-0107
Table 70. SPI Baud Rate Generator Register—High Byte (SPI_BRG_H = 00B9h)
SPI Control Register
This register is used to control and setup the serial peripheral interface. The SPI must be
disabled prior to making any changes to CPHA or CPOL. See
Table 71. SPI Control Register (SPI_CTL = 00BAh)
Bit
Reset
CPU Access
Note: R/W = Read/Write.
Bit
Position
[7:0]
SPI_BRG_H
Bit
Reset
CPU Access
Note: R = Read Only; R/W = Read/Write.
Bit
Position
7
IRQ_EN
6
5
SPI_EN
4
MASTER_EN
00h–FFh These bits represent the High byte of the 16-bit Baud Rate
Value
Value Description
0
1
0
0
1
0
1
R/W
R/W
SPI system interrupt is disabled.
SPI system interrupt is enabled.
Reserved.
SPI is disabled.
SPI is enabled.
When enabled, the SPI operates as a slave.
When enabled, the SPI operates as a master.
7
0
7
0
Description
Generator divider value. The complete BRG divisor value is
returned by {SPI_BRG_H, SPI_BRG_L}.
R/W
R
6
0
6
0
R/W
R/W
5
0
5
0
R/W
R/W
4
0
4
0
R/W
R/W
3
0
3
0
Table
Product Specification
Serial Peripheral Interface
R/W
R/W
71.
2
0
2
1
eZ80L92 MCU
R/W
R
1
0
1
0
R/W
R
0
0
0
0
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