Page 113
TMP89FM42
RA005
8.3.7
Port P9 (P91 to P90)
Port P9 is a 2-bit input/output port that can be set to input or output for each bit individually, and it is also
used as the UART.
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. Port P9 contains a programmable pull-up resistor on the VDD side. This pull-up
resistor can be used when the port is used in the input mode or as a sink open drain output.
When this port is used as the UART, setting for the serial interface selecting function is also needed. For
details, refer to "8.4 Serial Interface Selecting Function".
Figure 8-9 Port P9
Table 8-16 Port P9
P91
P90
Secondary
function
-
-
-
-
-
-
RXD1
TXD1
TXD1
RXD1
Internal data bus
0
1
S
Output latch
(for each bit)
P9DR write
P9i
R
R
IN3
Note1 : R = 100
Ω
(typ.)
Note2 : R
IN3
= 50k
Ω
(typ.)
Note3 : i = 0 to 1
TXD1
RXD1
P9PRD read
Function control
(for each bit)
Input/output control
(for each bit)
P9FC write
P9CR write
Output control
(for each bit)
P9OUTCR write
Programmable
pull-up resistor
VDD
VDD
Pull-up control
(for each bit)
P9PU write
UART1
Peripheral
functions
SYSCR1<STOP>
SYSCR1<OUTEN>
Reset signal
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: ......