User Manual
Table Of Contents
- 1 Introduction
- 2 Pin Configurations
- 3 CPU
- 4 Memory Organisation
- 5 System Clocks
- 6 Reset
- 7 Interrupt System
- 8 Wireless Transceiver
- 9 Digital Input/Output
- 10 Serial Peripheral Interface
- 11 Timers
- 12 Pulse Counters
- 13 Serial Communications
- 14 JTAG Debug Interface
- 15 Two-Wire Serial Interface
- 16 Four-Wire Digital Audio Interface
- 17 Random Number Generator
- 18 Sample FIFO
- 19 Intelligent Peripheral Interface
- 20 Analogue Peripherals
- 21 Power Management and Sleep Modes
- 22 Electrical Characteristics
- 22.1 Maximum Ratings
- 22.2 DC Electrical Characteristics
- 22.3 AC Characteristics
- 22.3.1 Reset and Voltage Brown-Out
- 22.3.2 SPI MasterTiming
- 22.3.3 Intelligent Peripheral (SPI Slave) Timing
- 22.3.4 Two-wire Serial Interface
- 22.3.5 Four-Wire Digital Audio Interface
- 22.3.6 Wakeup and Boot Load Timings
- 22.3.7 Bandgap Reference
- 22.3.8 Analogue to Digital Converters
- 22.3.9 Digital to Analogue Converters
- 22.3.10 Comparators
- 22.3.11 32kHz RC Oscillator
- 22.3.12 32kHz Crystal Oscillator
- 22.3.13 32MHz Crystal Oscillator
- 22.3.14 24MHz RC Oscillator
- 22.3.15 Temperature Sensor
- 22.3.16 Radio Transceiver
- Appendix A Mechanical and Ordering Information
- Appendix B Development Support
Jennic
66 JN-DS-JN5148-001 1v2 © Jennic 2009
Preliminary
22.3.2 SPI MasterTiming
t
SSH
t
SSS
t
CK
t
SI
t
HI
MOSI
(mode=1,3)
SS
MOSI
(mode=0,2)
MISO
(mode=0,2)
MISO
(mode=1,3)
t
VO
t
VO
CLK
(mode=0,1)
t
SI
t
HI
CLK
(mode=2,3)
Figure 44: SPI Timing (Master)
Parameter Symbol Min Max Unit
Clock period t
CK
62.5 - ns
Data setup time t
SI
16.7 @ 3.3V
18.2 @ 2.7V
21.0 @ 2.0V
- ns
Data hold time t
HI
0 ns
Data invalid period t
VO
- 15 ns
Select set-up period t
SSS
60 - ns
Select hold period t
SSH
30 (SPICLK = 16MHz)
0 (SPICLK<16MHz, mode=0 or 2)
60 (SPICLK<16MHz, mode=1 or 3)
- ns
22.3.3 Intelligent Peripheral (SPI Slave) Timing
IP_SEL
IP_CLK
IP_DI
IP_DO
t
si
t
hi
t
vo
t
sss
t
ssh
t
ck
t
lz
t
hz
Figure 45: Intelligent Peripheral (SPI Slave) Timing