7 / 11 page
RTD2010
2002/11/12
Rev1.20
7
5.3 Control Interface
Name
Type
Pin No
Description
(EXT# =0):
SCSB
(EXT# =1):
GPIO_P3.4
I
I/O
81
Serial Control I/F Chip Select
GPIO_P3.4 / T0#
(EXT# =0):
SCLK
(EXT# =1):
GPIO_P3.5
I
I/O
82
Serial Control I/F Clock
GPIO_P3.5 / T1#
(EXT# =0): SDI
(EXT# =1):
GPIO_P3.6
I
I/O
83
Serial Control I/F Data in
GPIO_P3.6
(EXT# =0): SDO
(EXT# =1):
GPIO_P3.7
O
I/O
84
Serial Control I/F Data out
GPIO_P3.7
(EXT# =0):
IRQ#
(EXT# =1):
GPIO_P3.1
O
I/O
85
Controller’s IRQ# Output;
GPIO_P3.1 / INT#1
(EXT# =0):
PWDN#
(EXT# =1):
GPIO_P3.0
I
I/O
86
PowerDown# for Controller
GPIO_P3.0
RESET#
I
87
(EXT#=0): RESET# for Controller;
(EXT#=1): RESET# for MCU
Total: 7 Pins
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