z02201 ZiLOG Semiconductor, z02201 Datasheet - Page 35

• Manufacturer Part Number: z02201
• Description: Z02201 V.22bis Data Pump With Integrated Afe
• Manufacturer: ZiLOG Semiconductor

PS000904-0107
2. Write the lower 8 bits of the address of the data pump RAM location to register
3. With one write operation to register R4, set the high bit of the data pump RAM
4. Wait until the data pump sets R4, bit
To read from data pump RAM:
1. Write the lower 8 bits of the address of the data pump RAM location to register
2. With one write operation to register R4, set the high bit of the data pump RAM
3. Wait until RAMRQ is reset to
4. Read data from RAMDL and RAMDH.
Reads and writes to the data pump RAM may require 105
RAMAL.
address in R4, RAMAH, set R4, bit
(RAMRQ) to
RAMAL.
address in R4, RAMAH, set R4, bit
(RAMRQ) to
1
1
.
.
0
by the data pump or until RAMIE is set to
V.22BIS Data Pump with Integrated AFE
2
2
1
(RAMRW) to
(RAMRW) to
(RAMRQ) to
1
0
0
, and set R4, bit
, and set R4, bit
.
μ
s to complete.
1
1
1
.
31