UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 384

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

384
<2> Arbitration field
R
D
The arbitration field is used to set the priority, data frame/remote frame, and frame format.
Remark
Remark
Cautions 1. ID28 to ID18 are identifiers.
Cautions 1. ID28 to ID18 are identifiers.
R
D
ID28 · · · · · · · · · · · · · · ID18
Table 16-4. Frame Format Setting (IDE Bit) and Number of Identifier (ID) Bits
Standard format mode
Extended format mode
ID28 · · · · · · · · · · · · · · · · · · · · ID18
2. An identifier is transmitted MSB first.
2. An identifier is transmitted MSB first.
D: Dominant = 0
R: Recessive = 1
D: Dominant = 0
R: Recessive = 1
Frame Format
Identifier
(11 bits)
Figure 16-7. Arbitration Field (in Extended Format Mode)
Figure 16-6. Arbitration Field (in Standard Format Mode)
Identifier
(11 bits)
Arbitration field
Data frame
Remote frame
Table 16-3. RTR Frame Settings
CHAPTER 16 CAN CONTROLLER
Frame Type
(1 bit) (1 bit)
SRR
Arbitration field
None
1 (R)
User’s Manual U17554EJ4V0UD
SRR Bit
IDE
(1 bit)
RTR
ID17 · · · · · · · · · · · · · · · · · ID0
0 (D)
1 (R)
(1 bit)
IDE
(r1)
(Control field)
0 (D)
1 (R)
Identifier
(18 bits)
RTR Bit
IDE Bit
r0
11 bits
29 bits
(1 bit)
RTR
Number. of Bits
r1
(Control field)
r0