DEMOBOARD-U4091BM Atmel, DEMOBOARD-U4091BM Datasheet - Page 11

• Manufacturer Part Number: DEMOBOARD-U4091BM
• Description: BOARD DEMO FOR U4091BM
• Manufacturer: Atmel

Specifications of DEMOBOARD-U4091BM

• Main Purpose: Telecom, Phone IC, Corded
• Embedded: No
• Utilized Ic / Part: U4091BM
• Primary Attributes: DTMF, Speech Circuit, Tone-ringer, Voice Switch
• Secondary Attributes: Serial Bus MCU Interface
• Interface Type: Serial
• Operating Voltage: 12 V
• Operating Temperature Range: - 22 C to + 75 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: U4091BM

U4091BM-R
Figure 10-1. Write Cycle
Write cycle
CLOCK
DATA
D7
D6
D5
D4
D3
D2
D1
D0
A3
A2
A1
A0
R/W=0
Data from P
Strobe
from P
Figure 10-2. Normal Read Cycle
Normal read cycle
CLOCK
DATA
A3
A2
A1
A0
R/W = 1
D7
D6
D5
D4
D3
D2
D1
D0
Strobe
Data from µP
Data from U4091BM
from µP
Figure 10-3. Fast Read Cycle
Fast read cycle
CLOCK
DATA
D7=IZC
D6=IVE
Data from U4091BM
Strobe
from µP
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