參數(shù)資料
型號: ISP1362EE,551
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA64
封裝: 6 X 6 MM, 0.80 HEIGHT, PLASTIC, MO-195, SOT-543-1, TFBGA-64
文件頁數(shù): 63/152頁
文件大?。?/td> 677K
代理商: ISP1362EE,551
ISP1362_5
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 05 — 8 May 2007
18 of 152
NXP Semiconductors
ISP1362
Single-chip USB OTG Controller
The buffer memory is congured by DcEndpointConguration Registers (ECRs). Although
the control endpoint has a xed conguration, all 16 endpoints (control OUT, control IN
and 14 programmable endpoints) must be congured before the Peripheral Controller
internally allocates the buffer. The 14 programmable endpoints can be programmed into
sizes ranging from 16 bytes to 1023 bytes, single or double buffering.
The Peripheral Controller buffer memory for each endpoint can be accessed through the
DcEndpointStatusImage registers.
8.2 PIO access mode
The ISP1362 provides PIO mode for external microprocessors to access its internal
control registers and buffer memory. It occupies only four I/O ports or four memory
locations of a microprocessor. An external microprocessor can read or write to the internal
control registers and buffer memory of the ISP1362 through PIO operating mode. Figure 8
shows the PIO interface between a microprocessor and the ISP1362.
Fig 7.
Peripheral Controller buffer memory organization
004aaa057
Control OUT (64 bytes)
Endpoint 1 (128 bytes)
Endpoint 2 (128 bytes)
Endpoint 3 (512 bytes)
Endpoint 4 (64 bytes)
Control IN (64 bytes)
Endpoint 5 (64 bytes)
Endpoint 6 (96 bytes)
Endpoint 7 (96 bytes)
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