参数资料
型号: M68LC302CPU20VCT
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASITC, LQFP-100
文件页数: 113/128页
文件大小: 641K
代理商: M68LC302CPU20VCT
Applications
6-6
MC68EN302 REFERENCE MANUAL
MOTOROLA
6.2.16 BOFF_CNT:
The backoff count is set to a specific value in the MC68EN302 hardware.
6.2.17 TADDR_H/M/L:
Implemented in the 64 entry address recognition table as per user set up.
6.2.18 GSMR (QUICC Section 7.10.2)
The following table represents bits relating to Ethernet in the QUICC’s GSMR register and
indicate the corresponding function on the MC68EN302.
BIT(S)
MNEMONIC
FUNCTION ON MC68EN302
47/46
TCRC
Hardware function
37
RFW
Set width in hardware
28
TCI
Clocking optimized in hardware
23-21
TPL
Preamble set to 6 bytes in hardware
20
TPP
Preamble pattern defined as 10
3-0
MODE
Ethernet only
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