UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 367
UPD78F0550MA-FAA-AX
Manufacturer Part Number
UPD78F0550MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0550MA-FAA-AX.pdf
(734 pages)
Specifications of UPD78F0550MA-FAA-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
12
Core Processor
78K/0
Program Memory Type
FLASH
Ram Size
384 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Connectivity
I²C, LIN, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
Renesas
Quantity:
800
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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11.4 Operations of Clock Output Controller
(2) Port mode register 4 (PM4)
The clock pulse is output as the following procedure.
<1> Select the clock pulse output frequency with bits 0 to 3 (CCS0 to CCS3) of the clock output selection register
<2> Set bit 4 (CLOE) of CKS to 1 to enable clock output.
Remark
Remarks 1. f
This register sets port 4 input/output in 1-bit units.
When using the P42/PCL/SSI11/INTP6 pin for clock output, clear PM42 and the output latches of P42 to 0.
PM4 is set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets PM4 to FFH.
(CKS) (clock pulse output in disabled status).
Clock output
The clock output controller is designed not to output pulses with a small width during output
enable/disable switching of the clock output. As shown in Figure 11-4, be sure to start output from the
low period of the clock (marked with * in the figure). When stopping output, do so after the high-level
period of the clock.
Remark
2. f
CLOE
Address: FF24H
Symbol
PM4
PRS
SUB
: Peripheral hardware clock frequency
: Subsystem clock frequency
The figure shown above presents the format of port mode register 4 of 48-pin products
(78K0/KC2-L).
PM4n
Figure 11-4. Remote Control Output Application Example
7
0
1
*
1
Figure 11-3. Format of Port Mode Register 4 (PM4)
After reset: FFH
CHAPTER 11 CLOCK OUTPUT CONTROLLER
Output mode (output buffer on)
Input mode (output buffer off)
6
1
Preliminary User’s Manual U19111EJ2V1UD
5
1
P4n pin I/O mode selection (n = 0 to 2)
R/W
4
1
3
1
*
PM42
2
PM41
1
PM40
0
367
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