Table 12-8 describes CSCRn fields. 15 14 13 " />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� MCF5280CVM80J
寤犲晢锛� Freescale Semiconductor
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绯诲垪锛� MCF528x
鏍稿績铏曠悊鍣細 Coldfire V2
鑺珨灏哄锛� 32-浣�
閫熷害锛� 80MHz
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RAM 瀹归噺锛� 64K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 2.7 V ~ 3.6 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 8x10b
鎸暕鍣ㄥ瀷锛� 澶栭儴
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灏佽/澶栨锛� 256-LBGA
鍖呰锛� 鎵樼洡
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Chip Select Module
12-8
Freescale Semiconductor
Figure 12-4. Chip Select Control Registers (CSCRn)
Table 12-8 describes CSCRn fields.
15
14
13
10
9
8
7
6
5
4
3
2
0
Field
鈥�
WS
鈥�
AA
PS1 PS0 BEM BSTR BSTW
鈥�
Reset: CSCR0
鈥�
11_11
鈥�
1
D19 D18
鈥�
Reset: Other CSCRs
Uninitialized
R/W
Address
0x08A (CSCR0); 0x096 (CSCR1); 0x0A2 (CSCR2); 0x0AE (CSCR3);
0x0BA (CSCR4); 0x0C6 (CSCR5); 0x0D2 (CSCR6)
Table 12-8. CSCRn Field Descriptions
Bits
Name
Description
15鈥�14
鈥�
Reserved, should be cleared.
13鈥�10
WS
Wait states. The number of wait states inserted before an internal transfer acknowledge is generated
(WS = 0 inserts zero wait states, WS = 0xF inserts 15 wait states). If AA = 0, TA must be asserted by
the external system regardless of the number of wait states generated. In that case, the external
transfer acknowledge ends the cycle. An external TA supercedes the generation of an internal TA.
9
鈥�
Reserved, should be cleared.
8
AA
Auto-acknowledge enable. Determines the assertion of the internal transfer acknowledge for accesses
specified by the chip select address.
0 No internal TA is asserted. Cycle is terminated externally.
1 Internal TA is asserted as specified by WS. Note that if AA = 1 for a corresponding CSn and the
external system asserts an external TA before the wait-state countdown asserts the internal TA, the
cycle is terminated. Burst cycles increment the address bus between each internal termination.
7鈥�6
PS
Port size. Specifies the width of the data associated with each chip select. It determines where data is
driven during write cycles and where data is sampled during read cycles. See Section 12.3.1.1, 鈥�8-,
00 32-bit port size. Valid data sampled and driven on D[31:0]
01 8-bit port size. Valid data sampled and driven on D[31:24]
1x 16-bit port size. Valid data sampled and driven on D[31:16]
5
BEM
Byte enable mode. Specifies the byte enable operation. Certain SRAMs have byte enables that must
be asserted during reads as well as writes. BEM can be set in the relevant CSCR to provide the
appropriate mode of byte enable in support of these SRAMs.
0BS is not asserted for read. BS is asserted for data write only.
1BS is asserted for read and write accesses.
4
BSTR Burst read enable. Specifies whether burst reads are used for memory associated with each CSn.
0 Data exceeding the specified port size is broken into individual, port-sized non-burst reads. For
example, a longword read from an 8-bit port is broken into four 8-bit reads.
1 Enables data burst reads larger than the specified port size, including longword reads from 8- and
16-bit ports, word reads from 8-bit ports, and line reads from 8-, 16-, and 32-bit ports.
MCF5282 and MCF5216 ColdFire Microcontroller User鈥檚 Manual, Rev. 3
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
VI-214-CV-S CONVERTER MOD DC/DC 48V 150W
VE-2WX-CV-S CONVERTER MOD DC/DC 5.2V 150W
VE-2W0-CV-S CONVERTER MOD DC/DC 5V 150W
VE-21H-CV-S CONVERTER MOD DC/DC 52V 150W
JBXFD0G06MSSDPMR CONN PLUG 6POS STRAIGHT SOLDER
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鍙冩暩(sh霉)鎻忚堪
MCF5281CVF66 鍔熻兘鎻忚堪:IC MPU 32BIT 66MHZ 256-BGA RoHS:鍚� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 宓屽叆寮� - 寰帶鍒跺櫒锛� 绯诲垪:MCF528x 妯�(bi膩o)婧�(zh菙n)鍖呰:250 绯诲垪:56F8xxx 鏍稿績铏曠悊鍣�:56800E 鑺珨灏哄:16-浣� 閫熷害:60MHz 閫i€氭€�:CAN锛孲CI锛孲PI 澶栧湇瑷�(sh猫)鍌�:POR锛孭WM锛屾韩搴﹀偝鎰熷櫒锛學DT 杓稿叆/杓稿嚭鏁�(sh霉):21 绋嬪簭瀛樺劜鍣ㄥ閲�:40KB锛�20K x 16锛� 绋嬪簭瀛樺劜鍣ㄩ鍨�:闁冨瓨 EEPROM 澶у皬:- RAM 瀹归噺:6K x 16 闆诲 - 闆绘簮 (Vcc/Vdd):2.25 V ~ 3.6 V 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒:A/D 6x12b 鎸暕鍣ㄥ瀷:鍏�(n猫i)閮� 宸ヤ綔婧害:-40°C ~ 125°C 灏佽/澶栨:48-LQFP 鍖呰:鎵樼洡 閰嶇敤:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
MCF5281CVF80 鍔熻兘鎻忚堪:IC MPU 32BIT COLDF 256-MAPBGA RoHS:鍚� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 宓屽叆寮� - 寰帶鍒跺櫒锛� 绯诲垪:MCF528x 妯�(bi膩o)婧�(zh菙n)鍖呰:250 绯诲垪:56F8xxx 鏍稿績铏曠悊鍣�:56800E 鑺珨灏哄:16-浣� 閫熷害:60MHz 閫i€氭€�:CAN锛孲CI锛孲PI 澶栧湇瑷�(sh猫)鍌�:POR锛孭WM锛屾韩搴﹀偝鎰熷櫒锛學DT 杓稿叆/杓稿嚭鏁�(sh霉):21 绋嬪簭瀛樺劜鍣ㄥ閲�:40KB锛�20K x 16锛� 绋嬪簭瀛樺劜鍣ㄩ鍨�:闁冨瓨 EEPROM 澶у皬:- RAM 瀹归噺:6K x 16 闆诲 - 闆绘簮 (Vcc/Vdd):2.25 V ~ 3.6 V 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒:A/D 6x12b 鎸暕鍣ㄥ瀷:鍏�(n猫i)閮� 宸ヤ綔婧害:-40°C ~ 125°C 灏佽/澶栨:48-LQFP 鍖呰:鎵樼洡 閰嶇敤:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
MCF5281CVM66 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU MCF5281 V2CORE 256KFLASH RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:26 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:2.97 V to 3.63 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:LQFP-80 瀹夎棰�(f膿ng)鏍�:SMD/SMT
MCF5281CVM66J 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU V2CORE 256K FLASH RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:26 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:2.97 V to 3.63 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:LQFP-80 瀹夎棰�(f膿ng)鏍�:SMD/SMT
MCF5281CVM80 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU MCF5281 V2CORE 256KFLASH RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:26 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:2.97 V to 3.63 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:LQFP-80 瀹夎棰�(f膿ng)鏍�:SMD/SMT