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BT8376EPF Scheda tecnica(PDF) 111 Page - Synaptics Incorporated.

Il numero della parte BT8376EPF
Spiegazioni elettronici  single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces
PDF  323 Pages
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Produttore elettronici  CONEXANT [Synaptics Incorporated.]
Homepage  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

BT8376EPF Scheda tecnica(HTML) 111 Page - Synaptics Incorporated.

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Bt8370/8375/8376
2.0 Circuit Description
Fully Integrated T1/E1 Framer and Line Interface
2.10 Microprocessor Interface
N8370DSE
Conexant
2-83
2.10 Microprocessor Interface
The Microprocessor Interface (MPU) provides the capability to configure the
Bt8370, read status registers and counters, and respond to interrupts (see
Figure 2-48). The interface supports both the Intel 8051 and Motorola 68000-type
processors. In the Intel mode, the address and data are multiplexed; in the
Motorola mode, the address and data are separate pins. Both synchronous and
asynchronous Read and Write modes are supported. The synchronous mode is
optimized for Motorola 68000-type processors with a maximum clock rate of 36
MHz. The asynchronous mode runs internally at 32 MHz, which limits the
processor speed to 16 MHz for 8051 processors, and 30 MHz for 68302
processors.
The microprocessor interface consists of the following pins: MCLK, MOTO*,
SYNCMD, CS*, AS*, DS*, R/W*, DTACK*, AD[7:0], A[8:0], INTR*,
CLKMD, ONESEC, RST*. (A detailed description of the MPU pins is provided
in Table 1-1, Hardware Signal Definitions.)
Figure 2-48. Microprocessor Interface Block Diagram
MCLK
MOTO*
SYNCMD
CLKMD
CS*
AS*
DS*
R/W*
DTACK*
AD[7:0]
A[8:0]
INTR*
ONESEC
RST*



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