Marantz AV8003 - Page 108

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IC51 : R5F21248SNFP [DMP CPU]
Pin No Port Name I/O Use STBY Name
Port Setup
Note
Act. Init
1 NC NC - - NC - -
2 P3_5/SCL/SSCK I/O I - DMP_CPU_IICCLK - -
IIC Serial Clock
Communication Clock line to Main CPU
3 P3_3/SSI I/O O - RS232C_SW3 H L
Control to Firmware update
L : RS232C Update (Normal)
H : Network Update
4 P3_4/SDA/SCS I/O I/O - DMP_CPU_IIC_DATA - -
IIC data
Communication Clock line to Main CPU
5 MODE I I - DMP_CPU_MODE - -
Mode terminal, when program is
rewritten: L
6 P4_3/XCIN I/O I - DMP_CPU_READREQ L -
Reserve
(IIC Request signal)
7 P4_4/XCOUT I/O I - NC - -
8 ~Reset I I - DMP_CPU_RESET L - Reset input
9 XOUT/P4_7 O 20MHz - - Clock frequency 20MHz
10 VSS VSS - - Grand level
11 P4_6/XIN I 20MHz - - Clock frequency 20MHz
12 VCC VCC VCC - - +5V
13 P2_7/TRDIOD1 I/O I - NC - -
14 P2_6/TRDIOC1 I/O I - NC - -
15 P2_5/TRDIOB1 I/O I - NC - -
16 P2_4/TRDIOA1 I/O I - NC - -
17 P2_3/TRDIOD0 I/O I - NC - -
18 P2_2/TRDIOC0 I/O I - NC - -
19 P2_1/TRDIOB0 I/O I - NC - -
20
P2_0/TRDIOA0/
TCLK
I/O I - NC - -
21 P1_7/TRAIO/INT1 I/O I - NC - -
22 P1_6/CLK0 I/O I - NC - -
23
P1_5/
RXDO(TRAIO)
I I - DMP_UART_RX - -
UART terminal for DMP communication
24 P1_4/TXDO O O - DMP_UART_TX - H UART terminal for DMP communication
25 P1_3/KI3/AN11 I I - DMP_PROTECT H -
DMP module power supply state
confirmation
Module inside power supply
Short detection
26 NC - NC - -
27 P4_5/INT0 I/O I - NC - -
28 P6_6/INT2/TXD1 O O - DMP_CPU_TXD - H
Terminal UART-RX for program
rewriting.
29 P6_7/INT3/RXD1 I I - DMP_CPU_RXD - -
Terminal UART-RX for program
rewriting.
30 P1_2/KI2/AN10 I/O I - NC - -
31 P1_1/KI1/AN9 I/O I - NC - -
32 P1_0/KI0/AN8 I/O I - NC - -
33 P3_1/TRB0 I/O I - NC - -
34 P3_0/TRA0 I/O I - NC - -
35 P6_5/CLK1 I/O I - NC - -
36 P6_4 I/O I - NC - -
37 P6_3 I/O I - NC - -
38 P0_7/AN0 I/O I - NC - -
39 NC - NC - -
40 NC - NC - -
41 P0_6/AN1 I/O I - NC - -
42 P0_5/AN2 I/O I - NC - -
43 P0_4/AN3 I/O I - NC - -
44 P4_2/VREF I VREF - - A./D reference voltage
45 P6_0/TRE0 I/O I - NC - -
46 P6_2 I/O I - NC - -
47 P6_1 I/O O - DMP_PON H L
DMP module power supply
L : Stop H : Operation
48 P0_3/AN4 I/O I - NC - -
49 P0_2/AN5 I/O I - NC - -
50 P0_1/AN6 I/O I - NC - -
51 P0_0/AN7 I/O I - NC - -
52 P3_7/SSO I/O I - NC - -