M37542F8FP Renesas Electronics America, M37542F8FP Datasheet - Page 116

• Manufacturer Part Number: M37542F8FP
• Description: IC 740 MCU FLASH 32K 36SSOP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M37542F8FP

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SIO, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 29
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

7542 Group
Notes on Serial I/O1
1. I/O pin function when serial I/O1 is enabled.
The pin functions of P1
follows according to the setting values of a serial I/O1 mode selec-
tion bit (bit 6 of serial I/O1 control register (address 1A
serial I/O1 synchronous clock selection bit (bit 1 of serial I/O1 con-
trol register).
(1) Serial I/O1 mode selection bit → “1” :
Clock synchronous type serial I/O is selected.
• Setup of a serial I/O1 synchronous clock selection bit
“0” : P1
“1” : P1
• Setup of a S
“0” : P1
“1” : P1
(2) Serial I/O1 mode selection bit → “0” :
Clock asynchronous (UART) type serial I/O is selected.
• Setup of a serial I/O1 synchronous clock selection bit
“0”: P1
“1”: P1
• When clock asynchronous (UART) type serial I/O is selected, it
Note on Bus Collision Detection
When serial I/O1 is operating at half-duplex communication, set
bus collision detection interrupt to be disabled.
Rev.3.03
REJ03B0006-0303
functions P1
2
2
2
2
3
3
pin can be used as a normal I/O pin.
pin turns into an input pin of an external clock.
pin turns into an output pin of a synchronous clock.
pin turns into an input pin of a synchronous clock.
pin can be used as a normal I/O pin.
pin turns into a S
RDY1
3
Jul 11, 2008
pin. It can be used as a normal I/O pin.
output enable bit (SRDY)
2
/S
RDY1
CLK1
output pin.
and P1
Page 114 of 117
3
/S
RDY1
are switched to as
16
)) and a
Notes on Serial I/O2
1. I/O pin function when serial I/O2 is enabled
The pin functions of P0
follows according to the setting values of a serial I/O2 mode selec-
tion bit (bit 6 of serial I/O2 control register (address 30
serial I/O2 synchronous clock selection bit (bit 2 of serial I/O2 con-
trol register).
(1) Serial I/O2 mode selection bit → “1” :
Clock synchronous type serial I/O is selected.
• Setup of a serial I/O2 synchronous clock selection bit
“0” : P0
“1” : P0
• Setup of a S
“0” : P0
“1” : P0
(2) Serial I/O2 mode selection bit → “0” :
Clock asynchronous (UART) type serial I/O is selected.
• Setup of a serial I/O2 synchronous clock selection bit
“0”: P0
“1”: P0
• When clock asynchronous (UART) type serial I/O is selected, it
functions P0
6
6
6
6
7
7
pin can be used as a normal I/O pin.
pin turns into an input pin of an external clock.
pin turns into an output pin of a synchronous clock.
pin turns into an input pin of a synchronous clock.
pin can be used as a normal I/O pin.
pin turns into a S
RDY2
7
pin. It can be used as a normal I/O pin.
output enable bit (SRDY)
6
/S
RDY2
CLK2
output pin.
and P0
7
/S
RDY2
are switched to as
16
)) and a