参数资料
型号: 73S1209F-68IM/F/P
厂商: Maxim Integrated Products
文件页数: 122/123页
文件大小: 0K
描述: IC SMART CARD READER PROG 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 260
系列: 73S12xx
核心处理器: 80515
芯体尺寸: 8-位
速度: 24MHz
连通性: I²C,智能卡,UART/USART
外围设备: LED,POR,WDT
输入/输出数: 9
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 68-VFQFN 裸露焊盘
包装: 管件
73S1209F Data Sheet
DS_1209F_004
Block Guard Time Register (BGT): 0xFE16
0x10
This register contains the Extra Guard Time Value (EGT) most-significant bit. The Extra Guard Time
indicates the minimum time between the leading edges of the start bit of consecutive characters. The
delay is depends on the T=0/T=1 mode. Used in transmit mode. This register also contains the Block
Guard Time (BGT) value. Block Guard Time is the minimum time between the leading edge of the start
bit of the last character received and the leading edge of the start bit of the first character transmitted.
This should not be set less than the character length. The transmission of the first character will be held
off until BGT has elapsed regardless of the TX data and TX/RX control bit timing.
Table 96: The BGT Register
MSB
LSB
EGT.8
BGT.4
BGT.3
BGT.1
BGT.2
BGT.0
Bit
Symbol
Function
BGT.7
EGT.8
Most-significant bit for 9-bit EGT timer. See EGT below.
BGT.6
BGT.5
BGT.4
Time in ETUs between the start bit of the last received character to start bit
of the first character transmitted to the smart card. Default value is 22.
BGT.3
BGT.2
BGT.1
BGT.0
Extra Guard Time Register (EGT): 0xFE17
0x0C
This register contains the Extra Guard Time Value (EGT) least-significant byte. The Extra Guard Time
indicates the minimum time between the leading edges of the start bit of consecutive characters. The
delay is depends on the T=0/T=1 mode. Used in transmit mode.
Table 97: The EGT Register
MSB
LSB
EGT.7
EGT.6
EGT.5
EGT.4
EGT.3
EGT.1
EGT.2
EGT.0
Bit
Function
EGT.7
Time in ETUs between start bits of consecutive characters. In T=0 mode, the minimum is
1. In T=0, the leading edge of the next start bit may be delayed if there is a break detected
from the smart card. Default value is 12. In T=0 mode, regardless of the value loaded, the
minimum value is 12, and for T=1 mode, the minimum value is 11.
EGT.6
EGT.5
EGT.4
EGT.3
EGT.2
EGT.1
EGT.0
98
Rev. 1.2
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73S1209F-44IMR/F/P IC SMART CARD READER PROG 44-QFN
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