參數(shù)資料
型號: TMS470R1A256PZ
廠商: Texas Instruments, Inc.
英文描述: 16/32-Bit RISC Flash Microcontroller
中文描述: 16/32位RISC閃存微控制器
文件頁數(shù): 19/46頁
文件大小: 392K
代理商: TMS470R1A256PZ
www.ti.com
device identification code register
The device identification code register identifies the silicon version, the technology family (TF), a ROM or Flash
device, and an assigned device-specific part number (see Figure 3). The A256 device identification code register
value is 0x0857.
TMS470R1A256
16/32-Bit RISC Flash Microcontroller
SPNS100–NOVEMBER 2004
31
16
Reserved
15
12
11
10
9
3
2
1
0
VERSION
TF
R/F
PART NUMBER
1
1
1
R-K
R-K
R-K
R-K
R-1
R-1
R-1
LEGEND: R = Read only; -K = value constant after RESET; -
n
= value after RESET
Figure 3. TMS470 Device ID Bit Allocation Register
TMS470 Device ID Bit Allocation Register Description
BIT
31-16
15-12
NAME
Value
DESCRIPTION
Reserved
VERSION
Reads are undefined and writes have no effect.
Silicon version (revision) bits
These bits identify what version of silicon the device is. Initial device version numbers start at 0000.
Technology Family (TF)
This bit distinguishes the technology family core power supply.
3.3 V for F10/C10 devices
1.8 V for F05/C05 devices
ROM/Flash
This bit distinguishes between ROM and Flash devices:
Flash device
ROM device
Device-specific part number
These bits identify the assigned device-specific part number.
The assigned device-specific part number for the A256 device is 0001010.
Mandatory High
Bits 2, 1, and 0 are tied high by default.
11
TF
0
1
10
R/F
0
1
9-3
PART NUM-
BER
2-0
1
19
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