User`s manual

BL1600 Memory, I/O Map, and Interrupt Vectors s 119
Table G-5. Other I/O Addresses
Address Name Data Bits Description
0x040 SDA_W D7 EEPROM serial data, write. Bit 7.
0x080 LCDRD
LCDWR
D0–D7 LCD read/write register, control.
0x081 LCDRD+1
LCDWR+1
D0–D7 LCD read/write register, data.
0x110 INENLO D0–D7 Bits 0–7 represent digital inputs 0–7.
0x111 INENHI D0–D3 Bits 0–3 represent digital inputs 8–11.
0x111 CONFIG D4 Bit 4 represents pins 1-2 on header J1.
0x111 SDA_R D5 Read bit 5 to get EEPROM SDA line.
0x111 NMI D6 Bit 6 is the power-failure (NMI) state.
0x111 CONFIG D7 Bit 7 represents pins 3-4 on header J1.
0x120 DRV1 D0
High-current output 1 (HC1). Bit 0.
This output also appears on H2.
0x121 DRV2 D0 High-current output 2 (HC2). Bit 0.
This output also appears on H2.
0x122 DRV3 D0 High-current output 3 (HC3). Bit 0.
This output also appears on H2.
0x123 DRV4 D0 High-current output 4 (HC4). Bit 0.
This output also appears on H2.
0x124 DRV5 D0 High-current output 5 (HC5). Bit 0.
This output also appears on H2.
0x125 DRV6 D0 High-current output 6 (HC6). Bit 0.
This output also appears on H2.
0x126 ENB485 D0 Set bit 0 to enable RS-485 transmis-
sion. Clear bit 0 to disable. The line
controlled by this bit can also be used
as a digital output channel and a high-
current channel (HC7).
continued…
Other Addresses
Table G-5 lists the other registers.