ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 8

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

PIN DESCRIPTIONS
Oki Semiconductor
Pin
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
1
2
3
4
5
6
7
8
9
(DMARQ0B)
(DMARQ1B)
Symbol
DGND0
ACK0B
ACK1B
PCMO
DV
SYNC
BCLK
TST1
TST0
PCMI
FR0B
FR1B
WRB
INTB
RDB
CSB
D10
D11
D12
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
DD
0
I/O PDNB = “0”
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O


O
O
O
O
I
I
I
I
I
I
I
I
“Hi-z”
”H”
“H”
“H”
“0”
“0”
“L”
“L”

I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Test control input 1: Normally input “0”.
Test control input 0: Normally input “0”.
PCM data output
PCM data input
CLKSEL = ”0”
CLKSEL = ”1”
CLKSEL = ”0”
CLKSEL = ”1”
Digital power supply
Transmit buffer DMA access acknowledge signal input
Receive buffer DMA access acknowledge signal input
FR0B: (CR11-B7 = ”0”)
DMARQ0B: (CR11-B7 = ”1”)
FR1B: (CR11-B7 = ”0”)
DMARQ1B: (CR11-B7 = ”1”)
Interrupt request output
“L” level is output for about 1.0 µsec when an interrupt is generated.
Chip select control input
Read control input
Write control input
Digital ground (0.0 V)
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).
Data input/output
Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).
Data input/output
Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).
Data input/output
Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).
Data input/output
Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).
PCM shift clock input
PCM shift clock output
PCM sync signal 8 kHz input
PCM sync signal 8 kHz output
Transmit buffer frame signal output
Transmit buffer DMA access request signal output
Receive buffer frame signal output
Receive buffer DMA access request signal output
Description
ML7074-001GA
4