Sony PEGA-CC5, Руководство по обслуживанию

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51
PEGA-CC5
Pin No. Pin Name I/O Description
73 ONBUTN O For power on control signal output to the CPU
74 PON O Power on reset signal output to the CPU
75 SYSCLK O System clock signal output to the CPU
76 FLRMWE O Write enable signal output to the flash memory
77 FLRMRD O Data read enable signal output to the flash memory
78 FLRMAE O
Output enable signal output to the address bus buffer and address bus latch
(for the flash memory)
79 FLRMDE O Output enable signal output to the data bus buffer (for the flash memory)
80 VDD — Power supply terminal (+3.3V)
81 VSS — Ground terminal
82 FLRMDIR O
Data transfer direction control signal output to the data bus buffer (for the flash memory)
“L”: data transfer direction is from B to A (data bus buffer pin)
83 FLRMCS O Chip select signal output to the flash memory
84 RX1 I UART serial receive data input from the GPS unit
85 TX1 O UART serial transmit data output to the GPS unit
86 RX0 I UART serial receive data input from the RS-232C driver
87 TX0 O UART serial transmit data output to the RS-232C driver
88, 89 GPIO0, GPIO1 I/O Not used
90 VDD — Power supply terminal (+3.3V)
91 VSS — Ground terminal
92 to 97 GPIO2 to GPIO7 I/O Not used
98 VSS — Ground terminal
99, 100 GPIO8, GPIO9 I/O Not used
101 VSS — Ground terminal
102 to
105
GPIO10 to
GPIO13
I/O Not used
106 VDD — Power supply terminal (+3.3V)
107, 108 GPIO14, GPIO15 I/O Not used
109 T1 I/O Not used
110 IRIN I SIRCS signal input terminal
111 VSS — Ground terminal
112 PKEY I Power on key input terminal Not used
113 KEY0 I VOL– key input terminal
114 KEY1 I VOL+ key input terminal
115 KEY2 I ATT key input terminal
116 VSS — Ground terminal
117 VDD — Power supply terminal (+3.3V)
118 to 122 KEY3 to KEY7 I Key input terminal Not used
123 VSS — Ground terminal
124 XTST — For test terminal Normally fixed at “H”
125 VDD — Power supply terminal (+3.3V)
126 XIN I System clock input terminal (11.52 MHz)
127 XOUT O System clock output terminal (11.52 MHz)
128 VSS — Ground terminal
129, 130
MODE0,
MODE1
— Test terminal Normally fixed at “L”