UPD78F9222CS-CAC-A Renesas Electronics America, UPD78F9222CS-CAC-A Datasheet - Page 33
UPD78F9222CS-CAC-A
Manufacturer Part Number
UPD78F9222CS-CAC-A
Description
MCU 8BIT 4KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9222CS-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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3.1.2 Internal data memory space
3.1.3 Special function register (SFR) area
Table 3-3).
3.1.4 Data memory addressing
possible. The area (FE80H to FEFFH or FE00H to FEFFH) which contains a data memory and the special function
register area (SFR) can be accessed using a unique addressing mode in accordance with each function. Figures 3-4
to 3-6 illustrate the data memory addressing.
PD78F9224.
128-byte internal high-speed RAM is provided in the
The internal high-speed RAM can also be used as a stack memory.
Special function registers (SFRs) of on-chip peripheral hardware are allocated to the area of FF00H to FFFFH (see
The 78K0S/KA1+ is provided with a wide range of addressing modes to make memory manipulation as efficient as
F F F F H
F F 2 0 H
F F 1 F H
F F 0 0 H
F E F F H
F E 8 0 H
F E 7 F H
0 8 0 0 H
0 7 F F H
0 0 0 0 H
Special function registers (SFR)
Internal high-speed RAM
Use prohibited
Flash memory
2,048
128
256
Figure 3-4. Data Memory Addressing ( PD78F9221)
8 bits
8 bits
8 bits
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16898EJ6V0UD
SFR addressing
PD78F9221, and 256-byte in the
Short direct addressing
Direct addressing
Register indirect addressing
Based addressing
PD78F9222 and
31
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