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| 型號： | IBM25405GP-3BA200C2 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC PROCESSOR, PBGA456 |
| 封裝： | PLASTIC, BGA-456 |
| 文件頁數(shù)： | 28/48頁 |
| 文件大小： | 649K |
| 代理商： | IBM25405GP-3BA200C2 |
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PowerPC 405GP Embedded Controller
Data Sheet
Advance Information
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 34 of 48
galdsh5f
06/15/99 Preliminary
D18
C20
GPIO1[TS1E]
GPIO2[TS2E]
General Purpose I/O
or
Even Trace execution status.To access this
function, software must toggle a DCR register
bit.
I/O[O]
5V tolerant
3.3V LVTTL
50
A
1, 6
A22
AF18
GPIO3[TS1O]
GPIO4[TS2O]
General Purpose I/O
Odd Trace execution status. To access this
function, software must toggle a DCR register
bit.
I/O[O]
5V tolerant
3.3V LVTTL
50
A
1, 6
AC9
AE8
AF5
AC7
GPIO5[TS3]
GPIO6[TS4]
GPIO7[TS5]
GPIO8[TS6]
General Purpose I/O
Trace status. To access this function, software
must toggle a DCR register bit.
I/O[O]
5V tolerant
3.3V LVTTL
50
A
1, 4
AB3
GPIO9[TrcClk]]
General Purpose I/O
or
Trace interface clock. This signal is a toggling
signal which comes out of a register in the
CPU which is clocked at the CPU frequency.
Therefore, this signal is always half of the CPU
core frequency. To access this function,
software must toggle a DCR register bit.
I/O[O]
5V tolerant
3.3V LVTTL
50
A
1, 4
D26
TestEn
Test Enable
I
5V tolerant
Rcvr w/ PD
n/a
A
3
C25
RcvrInh
Receiver Inhibit
I
5V tolerant
Rcvr
n/a
A
2
E24
E23
DrvrInh1
DrvrInh2
Driver Inhibit 1 and 2
I
5V tolerant
Rcvr
n/a
A
2
D24
TmrClk
This input must toggle at a rate of less than
one half the CPU core frequency (less than
100MHz in most cases). It is expected that in
almost every case this input will toggle much
slower, perhaps in the 1MHz to 10MHz range.
I
5V tolerant
3.3V LVTTL
Rcvr
n/a
A
1, 4
Pin Functional Description 35mm, 456-Ball Enhanced Plastic Ball Grid Array Package (Part 11 of 14)
Multiplexed signals are shown in brackets following the first signal name assigned to each multiplexed ball.
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
to 3.3V, 10k to 5V)
3. Must pull down (recommended value is 1k
)
4. If not used, must pull up (recommended value is 3k
to 3.3V)
5. If not used, must pull down (recommended value is 1k
)
6. Strapping input, pull-up or pull-down required
Ball
Signal Name
Description
I/O
Type
Imped
ance
(
)
BHC
Notes
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