Switches And Leds - Renesas M3A-HS37 User Manual

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3.2.4 Switches and LEDs

The M3A-HS37 is provided with six switches and seven LEDs.
Table 3.2.4 lists switches on the M3A-HS37.
No.
SW1 System power on/off switch
SW2 System reset input switch
SW3 User DIP switches (4/package)
SW3-1 OFF: PF12 = "H" ON: PF12 = "L"
SW3-2 OFF: PF13 = "H" ON: PF13 = "L"
SW3-3 OFF: PF14 = "H" ON: PF14 = "L"
SW3-4 OFF: PF15 = "H" ON: PF15 = "L"
SW4 System setting DIP switches (4/package)
SW5 NMI input switch
SW6 IRQ2 input switch
Table 3.2.5 lists the functions of the switch (SW4). The SH7137 operating mode is set by the combinations of the pins FEW,
MD0, and MD1. Table 3.2.6 lists the SH7137 operating mode setting.
No. Setting
SW4-1 OFF
FWE ON
SW4-2 OFF
MD1
ON
SW4-3 OFF
MD0
ON
SW4-4 OFF
LED
ON
indicates the default setting.
Note: Refer to Figure 2.5.1 for LED Vcc.
SW4-1 SW4-2 SW4-3
(FWE) (MD1) (MD0)
ON ON
ON OFF
ON OFF
OFF ON
OFF ON
OFF OFF
OFF OFF
Indicates the default setting.
Note: These are the programming mode of the flash memory
Rev.1.00 Oct 09, 2008
REJ11J0021-0100
Table 3.2.4 Switches on the M3A-HS37
Function
Table 3.2.5 Functions of Switch (SW4)
FWE="H" (On-chip flash memory is write- and erase-protected)
FWE="L" (On-chip flash memory is write- and erase-enabled)
MD1 pin state is "H"
MD1 pin state is "L"
MD0 pin state is "H"
MD0 pin state is "L"
LED Vcc OFF
LED Vcc ON
Table 3.2.6 SH7137 Operating Mode Setting
No.
ON Mode 0
ON Mode 2
OFF Mode 3
ON Mode 4 *
OFF Mode 5 *
ON Mode 6 *
OFF Mode 7 *
-
Refer to Section 2.9 for details.
PF12,PF13,PF14, and PF15 are pulled up.
Refer to Section 2.5 for details.
Refer to Table 3.2.5 for the functions
Refer to Section 2.10 for details.
Refer to Section 2.10 for details.
Function
SH7137 Operating Mode
MCU expansion mode 0 (On-chip ROM disabled, CS0 space: 8-bit bus)
MCU expansion mode 2 (On-chip ROM enabled, CS0 space: 8-bit bus)
Single chip mode (On-chip ROM enabled)
Boot mode (On-chip ROM enabled)
User boot mode (On-chip ROM enabled, CS0 space: 8-bit bus)
User program mode (On-chip ROM enabled, CS0 space: 8-bit bus)
User program mode (On-chip ROM enabled)
Operational Specifications
3.2.4 Switches and LEDs
Remarks
Operating mode setting
(Refer to Table 3.2.6)
Name
3-20