Programming Stripe

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English

The stripe bit of a generic FIFO is used when both lower and upper data buses are active. When both cs_lower and cs_upper are set to 1, program the options listed in Table: Transmit and Receive Generic FIFO Stripe Bit.

Table 24-20:      Transmit and Receive Generic FIFO Stripe Bit

Description

immediate_data

data_xfer

Stripe

Transmit

Receive

Data Bus Select

Transmit immediate_data field to both flash devices when stripe is 1'b0.

Generic FIFO fields

8'hEB

1'b0

1'b0

1'b1

1'b0

2'b11

Transmit even bytes of TXFIFO data to lower device and odd bytes of TXFIFO to upper device when stripe is 1'b1.

Generic FIFO fields

8'h64

1'b1

1'b1

1'b1

1'b0

2'b11

Transmit TXFIFO data to both devices (not commonly used) when stripe is 1'b0.

Generic FIFO fields

8'h64

1'b1

1'b0

1'b1

1'b0

2'b11

Receive RXFIFO (Stripe = 1'b0 is not applicable when receive is set to 1.

Generic FIFO fields

8'h64

1'b1

1'b1

1'b0

1'b1

2'b11