參數(shù)資料
型號: μPD30102
廠商: NEC Corp.
英文描述: 64-/32-BIT Microprocessor(64/32位微處理器)
中文描述: 64-/32-BIT微處理器(64/32位微處理器)
文件頁數(shù): 67/112頁
文件大?。?/td> 639K
代理商: ΜPD30102
μ
PD30102
67
Preliminary Data Sheet
20. HSP (MODEM INTERFACE UNIT)
20.1 General
HSP performs interfaces between modem software and external circuits, for the CPU core. This unit uses PCtel’s
PCT288I, and it has the following main functions.
Controls CODEC devices and performs serial/parallel conversion of CODEC transmitted/received data
Controls signal lines in the data access arrangement block (DAA), such as relay or hook
Table 20-1. HSP Registers
Physical Address
R/W
Symbol
Function
0x0C00 0020
R/W
HSPINIT
HSP initialization register
0x0C00 0022
R/W
HSPDATA (7:0)
HSP data register (low-order)
0x0C00 0023
R/W
HSPDATA (15:8)
HSP data register (high-order)
0x0C00 0024
W
HSPINDEX
HSP index register
0x0C00 0028
R
HSPID (7:0)
HSP ID register
0x0C00 0029
R
HSPPCS (7:0)
HSP I/O address program confirmation register
W
HSPPCTEL (7:0)
HSP signature check port
Figure 20-1. Block Connection Example
IRING
ILCSENSE
OFFHOOK
TELCON
SDO
HSPMCLK
AFERST#
HC0
FS
SDI
HSPSCLK
TXAN
TXAP
RXA
CODEC
MUTE
DAA
V
R
4102
(HSP)
3
4
Speaker
Line
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