ml7214a-001 Oki Semiconductor, ml7214a-001 Datasheet - Page 5

• Manufacturer Part Number: ml7214a-001
• Description: Voip Codec
• Manufacturer: Oki Semiconductor

PIN DESCRIPTIONS
OKI Semiconductor
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
ACK0B/GPIOA[4]
ACK1B/GPIOA[5]
INTB/GPIOA[6]
(DMARQ0B)
(DMARQ1B)
GPIOC[0]
GPIOC[1]
GPIOC[2]
GPIOC[3]
GPIOC[4]
GPIOC[5]
GPIOC[6]
GPIOC[7]
CLKOUT
DVDD0
DGND0
Symbol
PCMO
SYNC
PCMI
BCLK
FR0B
FR1B
TST1
TST0
WRB
RDB
CSB
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
When PDNB = “0”
“Hi-z”
“H”
“H”
“H”
“L”
“0”
“0”
“L”
“L”
—
—
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
12.288 MHz clock output
Test control input 1: Normally, input “0”.
Test control input 0: Normally, input “0”.
General-purpose I/O port C [0]
General-purpose I/O port C [1]
PCM data output [Open drain output pin]
PCM data input
CLKSEL = “0”
PCM shift clock input (128 kHz to 2.048 MHz)
CLKSEL = “1”
PCM shift clock output (2.048 MHz)
CLKSEL = “0”
PCM synchronous signal 8 kHz input
CLKSEL = “1”
PCM synchronous signal 8 kHz output
General-purpose I/O port C[2]
General-purpose I/O port C[3]
Digital power supply
General-purpose I/O port C[4]
General-purpose I/O port C[5]
Transmit buffer DMA access acknowledge signal input
(primary function)
General-purpose I/O port A[4] (secondary function)
[5 V tolerant pin]
Receive buffer DMA access acknowledge signal input
(primary function)
General-purpose I/O port A [5] (secondary function)
[5 V tolerant pin]
General-purpose I/O port C [6]
General-purpose I/O port C [7]
FR0B:(FD_SEL = “0”)
Transmit buffer frame signal output
DMARQ0B: (FD_SEL = “1”)
Transmit buffer DMA access request signal
FR1B: (FD_SEL = “0”)
Receive buffer frame signal output
DMARQ1B: (FD_SEL = “1”)
Receive buffer DMA access request signal output
Interrupt request output (primary function)
General-purpose I/O port A [6] (secondary function) [5
V tolerant pin]
Chip select control input
Read control input
Write control input
Digital ground (0.0 V)
Description
FEDL7214_001DIGEST-P
ML7214-001
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