EP7211 Datasheet, PDF (131/166 Pages) Cirrus Logic – HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER

EP7211
High-Performance Ultra-Low-Power System-on-Chip with LCD Controller
Bit
6
7
8
9
10
11
12
13
14
15
31-16
Table 5-17. MCP Control, Data and Status Register Locations (cont.)
Name
TTU
TRO
ANF
ANE
TNF
TNE
CWC
CRC
ACE
TCE
-
Description
Telecom Transmit FIFO Underrun
0 — Telecom transmit FIFO has not experienced an underrun
1 — Telecom transmit logic attempted to fetch data from transmit FIFO while it was empty,
request interrupt
Telecom Receive FIFO Overrun
0 — Telecom receive FIFO has not experienced an overrun
1 — Telecom receive logic attempted to place data into receive FIFO while it was full, request
interrupt
Audio Transmit FIFO Not Full (read-only)
0 — Audio transmit FIFO is full
1 — Audio transmit FIFO is not full
Audio Receive FIFO Not Empty (read-only)
0 — Audio receive FIFO is empty
1 — Audio receive FIFO is not empty
Telecom Transmit FIFO Not Full (read-only)
0 — Telecom transmit FIFO is full
1 — Telecom transmit FIFO is not full
Telecom Receive FIFO Not Empty (read-only)
0 — Telecom receive FIFO is empty
1 — Telecom receive FIFO is not empty
Codec Write Completed (read-only)
0 — A write to a codec register has not completed since the last time this bit was cleared
1 — A write to a codec register has been transmitted and has updated the register
Codec Read Completed (read-only)
0 — The value read from the addressed codec register has not been returned to MCDR2
1 — The value read from the addressed codec register is now in MCDR2
Audio Codec Enabled (read-only)
0 — The audio codec input and output is disabled (bits 14 and 15 are 0 in Audio codec Control
Reg B)
1 — Audio codec input and/or output is enabled (bits 14 and/or 15 is 1 in Audio codec Control
Reg B)
Telecom Codec Enabled
0 — The telecom codec input and output is disabled (bits 14 and 15 are 0 in Telecom codec
Cntl Reg B)
1 — Telecom codec input and/or output is enabled (bits 14 and/or 15 is 1 in Telecom codec Cntl
Reg B)
Reserved
DS352PP3
JUL 2001
131
Register Descriptions