Z89371 Zilog., Z89371 Datasheet - Page 27

• Manufacturer Part Number: Z89371
• Description: 16-Bit Digital Signal Processors
• Manufacturer: Zilog.

Zilog
REGISTERS
DS97DSP0100
EXT7-1
D15
Note: The timer is an up-counter.
Example: EXT7-1 = #%x00D
D14 D13 D12
EXT7-1 = #%x80F
EXT7-1 = #%xFFx
EXT7-1 = #%x000
D11
D10
OSC = 12.288 MHz, SCLK = 2.048 MHz, FSYNC = 8 kHz
Max interrupt period (667 ms for OSC = 12.288 MHz)
OSC = 12.288 MHz, SCLK = 6.144 MHz, FSYNC = 48 kHz
No interrupt
D9
Figure 24. CODEC Interface Control Register
D8
D7
D6
P R E L I M I N A R Y
D5
D4
D3
D2
D1
D0
SCLK Prescaler (up-counter)
SCLK/FSYNC Ratio Prescaler (up-counter)
CODEC Mode
FSYNC
CODEC 0 Disable/Enable
16-Bit Digital Signal Processors
00 8-bit with hardware m-law
01 8-bit without hardware m-law
10 16-bit linear
11 Crystal CS4215 / CS4216
0 External Source*
1 Internal Source
0 = Disable*
1 = Enable
* Default
Z89321/371/391
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