ISD-T360SB Datasheet, PDF (10/109 Pages) List of Unclassifed Manufacturers – VoiceDSP Digital Speech Processor with Master/Slave, Full-Duplex Speakerphone, Multiple Flash and ARAM/DRAM Support

ISD-T360SB
1—HARDWARE
Table 1-1: VoiceDSP Pin Signal Assignment
Pin Name Signal Name
Type
A(0:15)
CAS
CCLK
CDIN
CDOUT
CFS0
CFS1
D(0:7)
DWE
EMCS/ENV0
EMCS/ENV0
MMCLK
MMDIN
MMDOUT
MWCLK
MWCS
MWDIN
MWDOUT
MWRDY
MWRQST
PB(0:7)³
PC(0:7)
RAS
RESET
TST
V_CC
V_CCA
V_CCHI
A(0:16)
CAS
CCLK
CDIN
CDOUT
CFS0
CFS1
D(0:7)
DWE
EMCS
ENV0
MMCLK
MMDIN
MMDOUT
MWCLK
MWCS
MWDIN
MWDOUT
MWRDY
MWRQST
PB(0:7)
PB(0:7)
RAS
RESET
TST
V_CC
V_CCA
V_CCHI
Output
Output
I/O
Input
Output
I/O
Output
I/O
Output
Output
Input
Output
Input
Output
Input
Input
Input
Output
Output
Output
I/O
I/O
Output
Input
Input
Power
Power
Power
V_SS
V_SSA
X1
X2/CLKIN
V_SS
V_SSA
X1
X2
Power
Power
Oscillator
Oscillator
Description
Address bits 0 through 16
DRAM Column Address Strobe
Codec Master/slave Clock
Data Input from Codec
Data Output to Codec
Codec 0 Frame Synchronization
Codec 1 Frame Synchronization
Data bits 0 through 7
DRAM Write Enable
Expansion Memory Chip Select
Environment Select
Master MICROWIRE Clock
Master MICROWIRE Data Input
Master MICROWIRE DATA Output
MICROWIRE Clock
MICROWIRE Chip Select
MICROWIRE Data Input
MICROWIRE DATA Output
MICROWIRE Ready
MICROWIRE Request Signal
Port B, bits 0 through 7
Port C, bits 0 through 7
DRAM Row Address Strobe
Reset
Test pin
3.3 V power supply pin
3.3 V analog circuitry power supply pin
5 V power supply pin. Connect to V_CC if 3.3 V power supply is
used.
Ground for on-chip logic and output drivers
Ground for on-chip analog circuitry
Crystal Oscillator Interface
Crystal Oscillator Interface
1. TTL1 output signals provide CMOS levels in the
steady state, for small loads.
2. Input during reset. CMOS level input.
3. Virtual address lines for IVS ROM.
4. Chip select lines for Serial Flash devices.
5. Schmitt trigger input.
1-2
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