W83627EHF_0611 Datasheet, PDF (110/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
7.5 Logical Device 3 (UART B)
CR 30h. (Default 01h)
BIT READ / WRITE
DESCRIPTION
7~1 Reserved.
0: Logical device is inactive.
0
R/W
1: Activate the logical device.
CR 60h, 61h. (Default 02h, F8h)
BIT READ / WRITE
DESCRIPTION
7~0
R/W
These two registers select Serial Port 2 I/O base address <100h : FF8h>
on 8 bytes boundary.
CR 70h. (Default 03h)
BIT READ / WRITE
DESCRIPTION
7~4 Reserved.
3~0
R/W
These bits select IRQ resource for Serial Port 2.
CR F0h. (Default 00h)
BIT READ / WRITE
DESCRIPTION
7~4 Reserved.
0: No reception delay when SIR is changed from TX mode to RX mode.
3
R/W
1: Reception delay 4 characters-time (40 bit-time) when SIR is changed
from TX mode to RX mode.
0: No transmission delay when SIR is changed from RX mode to TX
mode.
2
R/W
1: Transmission delay 4 characters-time (40 bit-time) when SIR is
changed from RX mode to TX mode.
00: UART B clock source is 1.8462 MHz (24 MHz / 13).
01: UART B clock source is 2 MHz (24 MHz / 12).
1~0
R/W
10: UART B clock source is 24 MHz (24 MHz / 1).
11: UART B clock source is 14.769 MHz (24 MHz / 1.625).
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