參數(shù)資料
型號: 73S1210F-68MR/F/PH
廠商: Maxim Integrated
文件頁數(shù): 92/126頁
文件大小: 0K
描述: IC SOC SMART CARD READER 68QFN
標(biāo)準(zhǔn)包裝: 2,500
系列: *
73S1210F Data Sheet
DS_1210F_001
68
Rev. 1.4
External Interrupt Control Register (INT5Ctl): 0xFF94
0x00
Table 71: The INT5Ctl Register
MSB
LSB
PDMUX
KPIEN
KPINT
Bit
Symbol
Function
INT5Ctl.7
PDMUX
Power down multiplexer control.
INT5Ctl.6
INT5Ctl.5
INT5Ctl.4
INT5Ctl.3
INT5Ctl.2
INT5Ctl.1
KPIEN
Enables Keypad interrupt when set = 1.
INT5Ctl.0
KPINT
This bit indicates the Keypad logic has set Key_Detect bit and a key
location may be read. Cleared on read of register.
1.7.14 Emulator Port
The emulator port, consisting of the pins E_RST, E_TCLK and E_RXTX, provides control of the MPU
through an external in-circuit emulator. The E_TBUS[3:0] pins, together with the E_ISYNC/BRKRQ, add
trace capability to the emulator. The emulator port is compatible with the ADM51 emulators
manufactured by Signum Systems.
The signals of the emulator port have weak pull-ups. Adding resistor footprints for signals E_RST,
E_TCLK and E_RXTX on the PCB is recommended. If necessary, adding 10k
pull-up resistors on
E_TCLK and E_RXTX and a 3k
on E_RST will help the emulator operate normally if a problem arises.
If code trace capability is needed on this interface, 20pF capacitors ( (to ground) need to be added to
allow the trace function capability to run properly. These capacitors should be attached to the TBUS0:3
and ISBR signals.
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