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SH7052 Datasheet, PDF (35/919 Pages) Renesas Technology Corp – SuperHTM RISC engine
1.3.2 Pin Functions
Table 1.2 summarizes the pin functions.
Table 1.2 Pin Functions
Type
Symbol
Power supply VCC
PVCC1
PVCC2
VSS
Flash memory FWE
Pin No.
19, 27, 79,
123, 131,
183
I/O
Input
10, 42, 194, Input
205
74, 95, 115, Input
141, 158,
174
12, 21, 25,
44, 76, 81,
97, 117,
125, 133,
143, 160,
176, 185,
196, 207
28
Input
Input
Name
Power supply
Port power
supply 1
Port power
supply 2
Ground
Function
Power supply for chip-internal
and system ports (RES, MD2
to MD0, FWE, HSTBY, NMI,
CK, EXTAL, XTAL). Connect
all VCC pins to the system
power supply. The chip will
not operate if there are any
open pins.
Power supply for bus ports
(ports E, F, and H). Connect
all PVCC1 pins to the system
bus power supply. The chip
will not operate if there are
any open pins.
Power supply for peripheral
module ports (ports A, B, C,
D, G, J, K, the AUD, and
WDTOVF). Connect all PVCC2
pins to the system peripheral
module power supply. The
chip will not operate if there
are any open pins.
For connection to ground.
Connect all VSS pins to the
system ground. The chip will
not operate if there are any
open pins.
Flash write
enable
Connected to ground in
normal operation.
Apply VCC during on-board
programming.
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