ZL50023GAC ZARLINK [Zarlink Semiconductor Inc], ZL50023GAC Datasheet - Page 39
ZL50023GAC
Manufacturer Part Number
ZL50023GAC
Description
Enhanced 4 K Digital Switch
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.ZL50023GAC.pdf
(80 pages)
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15 - 2
External Read/Write Address: 0001
External Read/Write Address: 0002
Reset Value: 0000
Reset Value: 0000
Bit
Bit
0
1
0
15
0
15
0
14
0
SRSTSW
Unused
Unused
14
MBPS
Name
Name
0
H
H
13
0
Table 15 - Internal Mode Selection Register (IMS) Bits (continued)
13
0
12
0
Memory Block Programming Start:
A zero to one transition of this bit starts the memory block programming function. The
MBPS and BPD2 - 0 bits in this register must be defined in the same write operation.
Once the MBPE bit in the Control Register is set to high, the device requires two
frames to complete the block programming. After the programming function has fin-
ished, the MBPS bit returns to low, indicating the operation is completed. When MBPS
is high, MBPS or MBPE can be set to low to abort the programming operation.
Whenever the microprocessor writes a one to the MBPS bit, the block programming
function is started. As long as this bit is high, the user must maintain the same logical
value to the other bits in this register to avoid any change in the device setting.
Reserved
In normal functional mode, these bits MUST be set to zero.
Software Reset Bit for Switch
When this bit is low, switching blocks are in normal operation. When this bit is high,
switching blocks are in software reset state. Refer to Table 12, “Address Map for
Registers (A13 = 0)” on page 32 for details regarding which registers are affected.
Reserved
In normal functional mode, these bits MUST be set to zero.
12
0
11
0
H
H
Table 16 - Software Reset Register (SRR) Bits
11
0
10
0
10
0
9
0
9
0
Zarlink Semiconductor Inc.
PD_EN
STIO_
8
ZL50023
8
0
39
BDH
7
7
0
Description
Description
BDL
6
0
6
5
0
RBER
EN
5
4
0
TBER
EN
4
3
0
BPD
3
2
2
0
BPD
2
1
SRST
SW
1
BPD
1
0
Data Sheet
0
0
MBPS
0
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