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參數(shù)資料
| 型號(hào)： | ACE9050 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | System Controller and Data Modem Advance Information |
| 中文描述： | 系統(tǒng)控制器和數(shù)據(jù)調(diào)制解調(diào)器進(jìn)展信息 |
| 文件頁(yè)數(shù)： | 13/52頁(yè) |
| 文件大?。?/td> | 390K |
| 代理商： | ACE9050 |
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ACE9050
13
Name
DDR1
DDR2
PORT1
PORT2
TCSR
FRC_HIGH
FRC_LOW
OCR_HIGH
OCR_LOW
ICR_HIGH
ICR_LOW
RMCR
TRCSR
RDR
TDR
RAMCR
R/W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
W
R/W
R
W
R
Address
00
01
02
03
08
09
0A
0B
0C
0D
0E
10
11
12
13
14
Description
Data Dir Register P1
Data Dir Register P2
Data Port 1
Data Port 2
Timer Control/Status
Free Run Counter MSB
Free Run Counter LSB
O/P Compare Reg MSB
O/P Compare Reg LSB
I/P Capture Reg MSB
I/P Capture Reg LSB
Rate & Mode Control
Tx/Rx Control and Status
Rx Data
Tx Data
Not Used
D7-0 reset condition
00000000
00000000
EEEEEEEE
010
XXXXX
00000000
00000000
00000000
11111111
11111111
00000000
00000000
XXXX
0000
00100000
00000000
00000000
00000000
Notes
1
1
2
3, 4
4, 5
6
7
NOTES:
1. Both ports set to Input (0 = I/P, 1 = O/P)
2. E = external input
3. 6303 internally set to Multiplexed mode
4. X = Unused or undetermined
5. Set to 00001100 in SERV mode
6. Set to 00111010 in SERV mode
7. This register Read only in the ACE9050
Table 9 6303 ports
MODES OF OPERATION
The ACE9050 has three independent modes of operation:
Normal, Emulation, Service.
Mode
Emulation
Service
Normal
Pin
EMUL
SERV
-
Enabled
High
High
Default mode
Table 10 Modes of operation
1, NORMAL MODE
This is intended to be the mode of operation when the
ACE9050 is fully commissioned in the application. The internal
6303 Microprocessor is used and the Boot block ensures the
program counter goes to the beginning of the ROM code area
after initialisation. In Normal mode various blocks can be
powered down to save current, and the processor can be
programmed to run at 1·008MHz or 2·016MHz.
2. EMULATION MODE
This mode is intended for system and software development
work. In Emulation mode the Internal 6303 processor is made
redundant and its function is replaced in the system by an
external 6303 processor. This is to facilitate using a generic
6303 In-Circuit Emulator (ICE) for software development.
Table 11 shows the functionality of external pins that change
in this mode. This is to enable all of the internal functions of
the ACE9050 to operate as they would in Normal mode. In
Emulation mode the external processor or ICE must be set up
to operate in Multiplexed mode. This mode is only intended for
use at room temperature.
Pin
D[7:0]
A[13:8]
A[15:14]
ECLK
R/W
AS
IRQN
ICN
Function
Data
Address
Not used
6303 Clk
Not used
Not used
Not used
Not used
Type
I/O
O
I
O
O
I
O
O
Data and A[7:0] I/P
Address I/P A[13:8]
Address I/P A[15:14]
ACE9050 Clock I/P
Read/Write strobe
Address Latch strobe
6303 Interrupt
6303 Timer P2 [0]
Type
I/O
I
I
I
I
I
O
O
Normal mode
Emulation mode
Function
Table 11 Normal and Emulation mode functions
ACE9050 6303 REGISTERS
3. SERVICE MODE
This mode is intended for system development and phone
service, where reprogramming of a FLASH ROM device is
required. The two areas that are affected by Service mode are:
1. The Watchdog and Autonomous Time Out (ATO) resets are
inhibited. This is intended for software development work.
The POFFN pin (85) is initially programmed to be a 1 by the
ROM code in this mode.
2. The internal ROM code facilitates loading of a program into
the RAM area from the SCI. This program would normally be
a FLASH loading program. The SCI may then be used to load
new object code into the FLASH memory of a system.
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