参数资料
型号: SAF-TC11IB-64D96EBC
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 96 MHz, RISC MICROCONTROLLER, PBGA388
封装: PLASTIC, BGA-388
文件页数: 27/110页
文件大小: 1303K
代理商: SAF-TC11IB-64D96EBC
TC11IB
Data Sheet
19
V2.4, 2004-06
CKE
P26
O
PUC
EBU_LMB SDRAM Clock Enable Output
MR/W
C21
O
PUC
EBU_LMB Motorola-style Read / Write Output
HOLD
C22
I
PUC
EBU_LMB Hold Request Input
In External Master Mode:
While HOLD is high, Tricore is operating in normal
mode (is owner of the external bus). A high-to-low
transition indicates a hold request from an external
master.Tricore backs off the bus and activates HLDA
and goes into hold mode.
A low-to-high transitions causes an exit from hold
mode.Tricore deactivates HLDA and takes over the
bus and enters the normal operation again.
In External Slave Mode:
While both HOLD and HLDA are high, Tricore is in
hold mode, the external bus interface signals are
tristated. When Tricore is released out of hold mode
(HLDA =0) and has completely taken over control of
the external bus, a low level at this pin requests Tri-
core to go into hold mode again. But in any case Tri-
core will perform at least one external bus cycle
before going into hold mode again.
HLDA
A23
I/O
PUC
EBU_LMB Hold Acknowledge Input / Output
In External Master Mode:
OutPut. High during normal operation.When Tricore
enters hold mode, it sets HLDA to low after releasing
the bus. On exit of hold mode, Tricore first sets HLDA
to high and then goes onto the bus again (to avoid col-
lisions).
In External Slave Mode:
Input. A high-to-low transition at this pin releases Tri-
core from hold mode.
Table 1
Pin Definitions and Functions(cont’d)
Symbol
Pin
In
Out
PU/
PD1)
Functions
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