Z51F3220FNX Datasheet, PDF (178/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
11.10.6 Register Map
Table 11-17 SPI 2 Register Map
Name
Address
Dir
SPISR
B7H
R/W
SPIDR
B6H
R/W
SPICR
B5H
R/W
Default
00H
00H
00H
Description
SPI 2 Status Register
SPI 2 Data Register
SPI 2 Control Register
11.10.7 SPI 2 Register Description
The SPI 2 register consists of SPI 2 control register (SPICR), SPI 2 status register (SPISR) and SPI 2 data
register (SPIDR)
11.10.8 Register Description for SPI 2
SPIDR (SPI 2 Data Register) : B6H
7
6
5
SPIDR7
SPIDR6
SPIDR5
R/W
R/W
R/W
SPIDR [7:0]
4
SPIDR4
R/W
3
SPIDR3
R/W
2
SPIDR2
R/W
1
0
SPIDR1
SPIDR0
R/W
R/W
Initial value : 00H
SPI 2 Data
When it is written a byte to this data register, the SPI 2 will start
an operation.
PS029902-0212
PRELIMINARY
175