UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 400

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

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

<R>
<R>
400
Address: FF89H After reset: 00H R/W
CSIC11
Notes 1.
Symbol
2.
If the peripheral hardware clock (f
f
• V
• V
• V
Set the serial clock to satisfy the following conditions.
CKS112
PRS
V
V
V
CKP11
DD
DD
DD
7
0
0
0
1
1
0
0
0
0
1
1
1
1
DD
DD
DD
operating frequency varies depending on the supply voltage.
= 4.0 to 5.5 V
= 2.7 to 4.0 V
= 1.8 to 2.7 V
Supply Voltage
= 4.0 to 5.5 V: f
= 2.7 to 4.0 V: f
= 1.8 to 2.7 V: f
Figure 16-6. Format of Serial Clock Selection Register 11 (CSIC11)
CKS111
DAP11
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
6
0
0
1
0
1
0
0
1
1
0
0
1
1
PRS
PRS
PRS
Serial clock ≤ 6.25 MHz
Serial clock ≤ 4 MHz
Serial clock ≤ 2 MHz
≤ 20 MHz
≤ 10 MHz
≤ 5 MHz (Standard and (A) grade products only)
CKS110
Standard Products
SI11 input timing
SI11 input timing
SI11 input timing
SI11 input timing
5
0
0
1
0
1
0
1
0
1
User’s Manual U17260EJ6V0UD
Specification of data transmission/reception timing
PRS
SCK11
SCK11
SCK11
SCK11
f
f
f
f
f
f
f
) operates on the high-speed system clock (f
External clock input to SCK11
PRS
PRS
PRS
PRS
PRS
PRS
PRS
SO11
SO11
SO11
SO11
CKP11
/2
/2
/2
/2
/2
/2
/2
2
3
4
5
6
7
4
1 MHz
500 kHz
250 kHz
125 kHz
62.5 kHz
31.25 kHz 78.13 kHz 156.25 kHz 312.5 kHz
15.63 kHz 39.06 kHz 78.13 kHz 156.25 kHz
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
2 MHz
CSI11 serial clock selection
f
PRS
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Serial clock ≤ 5 MHz
Serial clock ≤ 2.5 MHz
Serial clock ≤ 1.66 MHz
=
(A) Grade Products
DAP11
3
2.5 MHz
1.25 MHz
625 kHz
312.5 kHz 625 kHz
156.25 kHz 312.5 kHz 625 kHz
5 MHz
f
PRS
=
CKS112
5 MHz
2.5 MHz
1.25 MHz
10 MHz
2
f
PRS
Notes 1, 2
=
Serial clock ≤ 5 MHz
Serial clock ≤ 2.5 MHz
(A2) Grade Products
Setting
prohibited
5 MHz
2.5 MHz
1.25 MHz
CKS111
20 MHz
f
PRS
1
=
XH
−
) (XSEL = 1), the
Master mode
Slave mode
CKS110
Mode
Type
0
1
2
3
4