UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 403
UPD78F0537DGA(T)-9EV-A
Manufacturer Part Number
UPD78F0537DGA(T)-9EV-A
Description
8BIT MCU, 128K FLASH, 7KB RAM, SMD
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0537DGA(T)-9EV-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
7KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
128KB
Oscillator Type
External, Internal
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16.4.2 3-wire serial I/O mode
interface.
serial input (SI1n) lines.
(1) Registers used
The 3-wire serial I/O mode is used for connecting peripheral ICs and display controllers with a clocked serial
In this mode, communication is executed by using three lines: the serial clock (SCK1n), serial output (SO1n), and
• Serial operation mode register 1n (CSIM1n)
• Serial clock selection register 1n (CSIC1n)
• Port mode register 0 (PM0) or port mode register 1 (PM1)
• Port register 0 (P0) or port register 1 (P1)
The basic procedure of setting an operation in the 3-wire serial I/O mode is as follows.
<1> Set the CSIC1n register (see Figures 16-5 and 16-6).
<2> Set bits 4 to 6 (DIR1n, SSE11 (serial interface CSI11 only), and TRMD1n) of the CSIM1n register (see
<3> Set bit 7 (CSIE1n) of the CSIM1n register to 1. → Transmission/reception is enabled.
<4> Write data to transmit buffer register 1n (SOTB1n). → Data transmission/reception is started.
Caution Take relationship with the other party of communication when setting the port mode register
Remark n = 0:
Figures 16-3 and 16-4).
Read data from serial I/O shift register 1n (SIO1n). → Data reception is started.
and port register.
n = 0, 1:
µ
µ
PD78F0531, 78F0532, 78F0533
PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
User’s Manual U17260EJ6V0UD
403
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