Sharp LH79524 - Table 5-18. Constraints on CTRL Field Values Based on Stream Type

LH79524/LH79525 User’s Guide Direct Memory Access Controller
Version 1.0 5-11
Notes:
1. If set to 00 or 01, no restrictions on the UART0 RX FIFO Watermark.
If set to 10, the UART0 RX FIFO Watermark must be set to 1/4 or larger.
If set to 11, the UART0 RX FIFO Watermark must be set to 1/2 or larger.
2. If set to 00 or 01, no restrictions on the UART0 TX FIFO Watermark.
If set to 10, the UART0 TX FIFO Watermark must be set to 3/4 or smaller.
If set to 11, the UART0 TX FIFO Watermark must be set to 1/2 or smaller.
Table 5-18. Constraints on CTRL Field Values Based on Stream Type
STREAM
TYPE
DESIZE SOBURST SOSIZE DEINC SOINC
SSPRX (Stream 0) All valid values 00 or 10 00 1 0
SSPTX (Stream 1) 00 00 or 10 All valid values 0 1
UART0RX (Stream 2) All valid values —
1
00 1 0
UART0TX (Stream 3) 00 —
2
All valid values 0 1
MEM-to-MEM (Stream3) All valid values All valid values All valid values 1 1