Page 116
8. I/O Ports
8.3 I/O Port Registers
TMP89FM42
RA005
8.3.8
Port PB (PB7 to PB4)
Port PB is an 4-bit input/output port that can be set to input or output for each bit individually, and it is also
used as the serial interface input/output and the UART input/output.
The output circuit has the P-channel output control function and either the sink open drain output or the C-
MOS output can be selected.
When this port is used as the serial interface or the UART, setting for serial interface selecting function is
also needed. For details, refer to "8.4 Serial Interface Selecting Function".
Figure 8-10 Port PB
Table 8-18 Port PB
PB7
PB6
PB5
PB4
-
-
-
-
Secondary
function
-
SCLK0
SI0
RXD0
TXD0
SO0
TXD0
RXD0
-
-
-
-
Internal data bus
0
1
S
Output latch
(for each bit)
PBDR write
PBi
R
Note1 : R = 100
Ω
(typ.)
Note2 : Nch large current
Peripheral
functions
PBPRD read
Function control
(for each bit)
Input/output control
(for each bit)
PBFC write
PBCR write
Output control
(for each bit)
PBOUTCR write
(Note2)
SYSCR1<STOP>
SYSCR1<OUTEN>
Reset signal
Note3 : i = 4 to 7
SIO0
UART0
SCLK0, SI0, RXD0
SCLK0, SO0, TXD0
Functions enclosed by
the dotted line are for
PB6 to PB4 only.
Содержание TLCS-870/C1 Series
Страница 1: ...8 Bit Microcontroller TLCS 870 C1 Series TMP89FM42 查询TMP89FM42供应商 捷多邦 专业PCB打样工厂 24小时加急出货 ...
Страница 3: ...Revision History Date Revision 2007 10 25 1 First Release 2007 11 3 2 Contents Revised ...
Страница 4: ......
Страница 14: ......
Страница 18: ...1 3 Block Diagram TMP89FM42 1 3 Block Diagram Figure 1 2 Block Diagram ...
Страница 22: ...1 4 Pin Names and Functions TMP89FM42 ...
Страница 60: ...2 CPU Core 2 5 Revision History TMP89FM42 ...
Страница 76: ...3 Interrupt Control Circuit 3 8 Revision History TMP89FM42 ...
Страница 86: ...4 External Interrupt control circuit 4 3 Function TMP89FM42 ...
Страница 102: ...7 Voltage Detection Circuit 7 5 Revision History TMP89FM42 ...
Страница 126: ...8 I O Ports 8 3 I O Port Registers TMP89FM42 Note 2 i 0 to 1 ...
Страница 136: ...8 I O Ports 8 5 Revision History TMP89FM42 ...
Страница 142: ...9 Special Function Registers 9 3 SFR3 0x0E40 to 0x0EFF TMP89FM42 ...
Страница 146: ...10 Low Power Consumption Function for Peripherals TMP89FM42 ...
Страница 149: ...TMP89FM42 11 3 Revision History Rev Description RA001 Deleted SLEEP2 description ...
Страница 150: ...11 Divider Output DVO 11 3 Revision History TMP89FM42 ...
Страница 220: ...15 Real Time Clock RTC 15 4 Real Time Clock Operation TMP89FM42 ...
Страница 250: ...16 Asynchronous Serial Interface UART 16 15 Revision History TMP89FM42 ...
Страница 302: ...18 Serial Bus Interface SBI 18 7 Revision History TMP89FM42 ...
Страница 336: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 Note 1 Make sure that you set the C register to 0x00 LD FLSCR2 0xD5 ...
Страница 338: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 ...
Страница 384: ...22 Serial PROM Mode 22 15 Revision History TMP89FM42 ...
Страница 388: ...24 Input Output Circuit 24 1 Control Pins TMP89FM42 ...
Страница 404: ...25 Electrical Characteristics 25 11 Revision History TMP89FM42 ...
Страница 406: ...26 Package Dimensions TMP89FM42 ...
Страница 408: ......