tmp19a61f10xbg TOSHIBA Semiconductor CORPORATION, tmp19a61f10xbg Datasheet - Page 391

• Manufacturer Part Number: tmp19a61f10xbg
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

14.3.2
14.3.3
14.3.4
(Note) The HTXD pin of the slave controller must be set to the open drain output mode
using the POD register.
HTXD
Wakeup function
The 7-bit UART mode can be selected by setting the serial mode control register (HSC0MOD
<SM1, 0>) to "01."
In this mode, parity bits can be added to the transmit data stream; the serial mode control
register (HSC0CR <PE>) controls the parity enable/disable setting. When <PE> is set to "1"
(enable), either even or odd parity may be selected using the HSC0CR <EVEN> bit. The
length of the stop bit can be specified using HSC0MOD2<SBLEN>.
The 8-bit UART mode can be selected by setting HSC0MOD0 <SM1:0> to "10." In this
mode, parity bits can be added and parity enable/disable is controlled using HSC0CR <PE>.
If <PE> = "1" (enabled), either even or odd parity can be selected using HSC0CR <EVEN>.
The 9-bit UART mode can be selected by setting HSC0MOD0 <SM1:0> to "11." In this
mode, parity bits must be disabled (HSC0CR <PE> = "0").
The most significant bit (9th bit) is written to bit 7 <TB8> of the serial mode control register 0
(HSC0MOD0) to transmit data and it is stored in bit 7 <RB8> of the serial control register
HSC0CR upon receiving data. When writing or reading data to/from the buffers, the most
significant bit must be written or read first before writing or reading to/from HSC0BUF. The
stop bit length can be specified using HSC0MOD2 <SBLEN>.
In the 9-bit UART mode, slave controllers can be operated in the wake-up mode by setting
the wake-up function control bit HSC0MOD0 <WU> to "1." In this case, the interrupt
HINTRX0 will be generated only when HSC0CR <RB8> is set to "1.
Mode 1 (7-bit UART Mode)
Mode 2 (8-bit UART Mode)
Mode 3 (9-bit UART)
Master
HRXD
Fig. 14-27 Serial Links to Use Wake-up Function
HTXD
TMP19A61(rev. 1.0) 14-390
Slave 1
HRXD
HTXD
Slave 2
HRXD
TMP19A61
HTXD
Slave 3
HRXD